3.1:%Sculpting%
Sculpting%in%Fusion%360%allows%for%the%intuitive%freeform%creation%of%organic%solid%bodies%and%
surfaces%by%leveraging%the%T@Splines%technology.%In%the%Sculpt%Workspace,%you%can%rapidly% explore%forms%by%simply%pressing%and%pulling%on%subdivided%surfaces.%This%“hands@on”%approach% to%3D%modeling%allows%for%fast%iteration%and%early%stage%conceptualization%within%Fusion%360.%
Sculpted%forms%are%easily%converted%to%solid%bodies,%and%can%be%used%in%conjunction%with%Fusion%
360’s%solid%modeling%commands.%%Modeling%with%T@Splines%is%unlike%any%other%subdivision@ modeling%tool.%One%of%the%main%advantages%of%T@Splines%is%the%ability%to%add%detail%only%where% necessary%@%a%single%T@Spline%surface%can%be%incredibly%smooth,%while%still%having%areas%of%high% detail%and%remaining%easy%to%manipulate.%% %
Lesson%1:%Creating%T@Spline%Forms%
Learning%Objectives%
1.
2.
3.
4.
Create%a%T@Spline%Primitive%Form%
Create%a%T@Spline%Revolve%Form%
Create%a%T@Spline%Sweep%Form%
Create%a%T@Spline%Loft%Form%
Datasets%Required%%
In%Samples%section%of%your%Data%Panel,%browse%to:%
Fusion%101%Training%>%03%–%Sculpt%>%03_Sculpting_Introduction.f3d%
Open%the%design%and%follow%the%step@by@step%guide%below%to%get%started%with%the%lesson.%%
%
Step@by@step%Guides%
%
Step41:!Go%to%the%Sculpt%workspace%–%Let’s%go%
to%the%Sculpt%workspace%to%access%the%Sculpt% tools.%%% 1. In%the%Model%workspace%select%Create4
Form%to%enter%the%Sculpt%workspace%
2. A%dialog%box%appears,%telling%you%to% click%Finish4Form%to%return%to%the% model%workspace%when%you%are% finished%sculpting.% 3. Select%OK%
%
!
!
1!
Step42:4–!Select%the%T@Spline%Box%primitive4
1. Select%the%drop@down%arrow%under%
Create%to%expand%the%list%of%creation%
commands.%
2. Select%Box%to%create%a%T@Spline%box.%
4
%
Step43:4Position%the%Box%–%When%you%create%a% new%primitive%you%first%need%to%indicate%which% plane%you%want%to%build%on%and%then%enter%the% dimensions%of%the%primitive.4 1. Select%the%bottom%plane%
2. Select%the%origin%to%specify%the%center% point%of%the%box%2D%profile% 3. Drag%the%mouse%and%click%on%the%plane% again%to%specify%the%initial%size%of%the% rectangle.%
4
4
4
!
2!
Step44:4Set%the%dimensions%for%the%box!
1. In%the%Box%dialog%window%set%the% length%to%175mm,%and%the%width%to% 150mm%respectively%by%entering%these% numbers.% 2. Drag%the%arrow%pointing%up%from%the% box,%and%set%the%height%equal%to% 75mm.%
%
Note:%%When%dragging%a%manipulator%in%Fusion%
360%the%increments%for%the%move%are%tide%to%
how%close%or%far%away%the%camera%is%to%the% manipulator.%%The%closer%you%are%the%smaller% the%move%increments,%the%farther%you%are%the% larger%the%move%increments.%%If%you%find%that% the%move%is%changing%at%too%large%of% increments,%simply%zoom%in%to%reduce%the%size% of%each%step.%
%
4
Step45:4Increase%the%number%of%faces%to%the% box%in%Length%and%Width.! 1. In%the%Box%dialog%window%set%the%
Length4Faces%to%3%
2. To%set%the%width%faces,%drag%the% doubleGheaded4arrow4manipulator%on% the%box%primitive%up%to%increase%the% number%of%width%faces%until%it%equals% 3.%
3. %Select%OK%to%complete%the%Box% primitive%setup.% 4
4
Step46:4Finish%the%form.%You%have%just%created% your%first%T@Spline%body.%To%include%this%form% as%part%of%your%solid%model%you%need%to% indicate%that%you%are%done%creating%T@Spline% forms%for%the%moment%and%that%you%want%to% go%back%to%the%Model%workspace.! 1. Select%Finish4Form%at%the%end%of%the%
Sculpt%workspace%toolbar.%%
2. The%T@Spline%form%is%automatically% converted%to%a%solid%body%and%you%are% brought%back%to%the%Model%
!
3!
workspace.%
%
Note:%If%you%create%a%closed%T@Spline%form%it% will%be%converted%to%a%solid%body%when%you% select%Finish4Form.%%If%you%create%an%open%T@
Spline%form,%for%example%a%T@Spline%Plane,%it%
will%be%converted%to%a%surface%body%when%you% select%Finish4Form.4 4
Step47:4Create%a%T@Spline%Revolve%Form.%%Let’s% create%a%T@Spline%form%by%revolving%a%sketch% curve.%%The%Revolve%command%creates%a%form% by%rotation%2D%geometry%about%a%fixed%axis! 4
1. In%the%Browser,%select%the%drop@down% arrow%next%to%your%Bodies%folder% 2. %Click%the%light%bulb%next%to%Body1%to% turn%off%the%visibility.% 3. Select%Create4>4Create4Form.%
4
!
4!
Step48:4–%Turn%on%the%visibility%of%the%sketch% curve%that%you%will%be%revolving.% 1. In%the%Browser,%select%the%drop@down% arrow%next%to%your%Sketches%folder.% Select%the%light4bulb4icon%next%to%Revolve%to% turn%on%the%visibility%of%the%Revolve%sketch.4 4
4
Step49:4Revolve%a%T@Spline%using%the%sketch% curve%as%input.% 1. Select%Create4>4Revolve.%
2. Select%on%the%sketch4curve%to%identify% it%as%the%Profile%curve%to%be%revolved.% 3. In%the%dialog%window%select%no4 selection%next%to%Axis%to%show%the%axis% selector%in%the%workspace%
4. Select%the%Blue%axis.%A%T@Spline%form%is% revolved%360%degrees%around%the%Blue% axis.%
4
4
!
5!
Step410:%Change%the%Revolve%settings.%%Let’s% change%the%settings%in%the%Revolve%settings%to% change%the%Angle%the%direction%that%the%curve% is%revolved.%% %
1. In%the%Revolve%dialog%window,%change% the%Type%from%Full%to%Angle.% 2. Enter%904degrees%for%the%Angle4field.%
3. Change%the%Direction%from%One4Side% to%Symmetric.% 4. Select%OK.%
5. Select%Finish4Form%to%return%to%the%
Model%workspace.%
%
Note:%%The%Revolve%manipulator%can%also%be%
used%to%adjust%the%number%of%faces%in% longitude%and%latitude%of%the%revolved%shape% as%well%as%the%degree%of%the%Angle.%
4
4
Step411:%Create%a%T@Spline%Form%using%Sweep.%
The%Sweep%command%uses%two%sketch%curves% to%define%a%shape.%One%curve%is%selected%as%the% Profile,%which%is%swept%along%a%Path%curve%to% create%the%shape.% %
1. In%the%Model%workspace%hide%the% previously%created%Body424(1)% 2. In%the%Browser%in%the%Sketches%section% select%the%light%bulb%icon%next%to% Revolve%Sketch%to%turn%off%the%sketch% visibility.% 3. Turn%on%the%visibility%for%the%Sweep4
Path%and%Sweep4Profile%sketches.%
4
!
4
4
6!
Step412:%Start%the%Sweep%command.%
%
1. Select%Create4Form4in%the4Model4 workspace4to%change%to%the4Sculpt4 Workspace.%
2. Select%Create4>4Sweep4to%launch%the%
Sweep%dialog%window.%
3. Select%the%Sweep4Profile%sketch%to% identify%this%sketch%as%the%Profile% 4. Select%no4selection%next%to%Path.%
5. Select%the4Sweep4Path4sketch%to% identify%this%sketch%as%the%Path.%%The% swept%T@Spline%Form%is%generated.%
4
4
Step413:4Add%faces%to%the%swept%surface.%%In% order%to%match%our%rounded@square%profile,% we%need%to%increase%the%number%of%faces%for% the%profile.% %
1. In%the%dialog%window,%set%the%number% of%faces%for%the%Profile%equal%to%24.% %
Note:%The%greater%number%of%faces,%the%closer%
the%body%matches%the%path.%4
!
4
7!
Step414:%Change%the%sweep%orientation.%%There% may%be%instances%where%the%orientation%of%the% profile%as%is%moves%along%the%path%will%give%you% a%more%desirable%result.%%Use%the%Orientation% option%to%change%the%sweep%behavior.%
%
1. In%the%dialog%window,%change%the%
Orientation%from%Perpendicular%to%
Parallel.%Observe%how%the%sweep% behavior%drastically%changes.% 2. Change%the%Orientation%back%to%
Perpendicular.%
4
Step415:%Change%the%sweep%distance.%%The%
Sweep%command%allows%you%to%alter%the% amount%of%the%path%curve%that%is%used%to% create%the%T@Spline%form.%
%
1. Drag%the%arrow%at%the%end%of%the%Path% to%alter%the%sweep%distance.%In% addition%to%using%this%arrow,%we%can% set%the%distance%in%the%dialog%window.% 2. In%the%dialog%window,%set%the%distance% equal%to%0.5.% 3. The%sweep%now%travels%half%the%length% of%our%Path%curve.% 6. Select%OK.%%
7. Select%Finish4Form.%
Step416:%Create%a%T@Spline%Form%with%Loft%
using%3%sketch%profiles%as%input%to%create%a% lofted%shape.% %
1. Turn%off%visibility%of%Body434(1)%
2. Turn%off%visibility%of%the%two%Sweep% sketches.% 3. Turn%on%visibility%for%sketches%labeled%
Loft4Centerline,%Circle,%and%Triangle.%
4. Select%Create4>4Create4Form%to%change% to%the%Sculpt%workspace% !
4
4
4
8!
Step417:%Select%the%profiles%to%create%the%loft% form.% %
1. Select%Create4>4Loft.%
2. Click%the%Triangular%profile%in%the% canvas.% 3. Click%the%Circular%profile%in%the%canvas.%% 4
This%creates%a%straight%lofted%shape%
transitioning%between%the%triangle%and% the%circle.% %
Note:%%You%can%have%multiple%profile%shapes%to%
loft%between.%%4
4
Step418:%Change%the%Loft%shape%by%defining%a%
centerline.%%By%default%the%loft%will%always% create%straight%transitional%surfaces%between% profiles.%%To%control%the%direction%of%the% surface%between%the%profiles%you%can%add%a% sketch%curve%a%centerline.%
%
1. Click%the%centerline4curve%%
2. You%receive%an%error%because%initially% the%software%assumes%that%you%are% adding%another%profile%for%the%loft.%
3. To%specify%this%curve%as%a%centerline% select%Convert4to4Centerline%under% Swap%in%the%dialog%window.%
%%
%
%
!
9!
4
Step419:%The%T@Spline%surface%is%not%matching% well%to%the%triangle%profile.%%Let’s%increase%the% number%of%faces%to%improve%the%match.%
%
1. In%the%dialog%window,%set%the%number% of%faces%for%the%Width%equal%to%16.% 2. Click%OK.%
3. Select%Finish4Form.%
%%
%
%
4
4
4
%
!
!
!
10!
Lesson%2:%Modify%a%T@Spline%Form%
The%real%power%of%T@Splines%is%that%it%allows%for%freeform%shape%manipulation%of%shapes%
by%moving,%rotating%and%scaling%vertices,%edges%and%faces%of%a%T@Spline%surface.%%The%most% common%command%you%will%use%to%do%this%is%Edit%Form.%You%can%also%add%and%remove% faces%in%your%forms%to%get%detail%where%you%need%it%without%making%the%entire%form% overly%complex.% %
Learning%Objectives%
1.
2.
3.
4.
Move,%Rotate%and%Scale%T@Spline%geometry%with%Edit%Form%
Add%geometry%to%a%T@Spline%body%with%Edit%Form%
Change%the%display%mode%
Insert%Edges%
%
%
Step41:%Turn%off%the%visibility%of%the%Loft%body%
%
1. Turn%off%visibility%of%the%previously% created%Body444(1)%from%the%last% lesson.%
2. Turn%off%visibility%for%any%visible% sketches.% %
%
%
Step42:%Edit%the%T@Spline%shape%in%the%Timeline%
%
1. In%the%parametric4timeline%at%the% bottom%of%the%Model%window,%located% the%4%T@Spline%form%icons.%
2. Hover%your%pointer%over%the%first%form% icon%and%you%will%notice%that%the% primitive%box%is%highlighted%on%the% screen.% 3. Right@click%on%the%form%icon%in%the% timeline%and%select%Edit.% %
Note:%When%using%Fusion%360%with%history%
turned%on,%T@Spline%operations%do%not%have% history%in%the%same%way%that%the%operations%in% !
4
4
11!
the%Model%and%Patch%workspaces%do.%%
However%you%can%go%back%in%history%and%make%
adjustments%to%your%T@Spline%shapes%and%those% changes%will%be%recomputed%in%the%history%of% your%model%when%you%exit%the%Sculpt% workspace.4 4
Step43:%Start%the%Edit%Form%command%
%
1. Click%Modify4>4Edit4Form.%The%Edit%
Form%command%can%be%used%to%
directly%manipulate%Faces,%Edges,%and%
Vertices.%%
2. Click%on%a%top%face%located%at%one%of% the%corners%of%the%box.% 3. The%manipulator%displays%on%the%face% with%an%assortment%of%tools.% %
4
Note:%Directly%manipulating%a%face%creates%the% greatest%changes%in%your%form,%while% manipulating%a%single%vertex%will%result%in% smaller%changes.4 4
!
12!
Step44:4Move%a%face%in%a%single%axis%direction.%
%
1. Click%and%drag%on%the%arrow% pointing%up%to%translate%(move)% the%selected%face%up%by%30%mm.%
%
Note:%When%you%move%a%face%on%a%surface%the% surrounding%faces%move%to%maintain% continuity.%
4
Step45:4Move%a%face%in%a%planar%direction.%
%
1. Click%and%drag%on%one%of%the%white4 squares%to%translate%the%selected%face% on%a%plane%parallel%to%a%given%plane%in% world%space.% %
Note:%By%default%the%Edit4Form%manipulator%
uses%the%World%Space%coordinates,%you%can% also%use%View%space%(based%on%the%camera% view)%and%Local%space%(based%on%the%normal% direction%of%the%surface).%%These%can%be% changed%in%the%Coordinate%options%in%Edit4
Form.%
4
4
4
Step46:4Move%a%T@Spline%edge%and%vertex.%
%
1. Select%a%single%edge.%
2. Use%any%of%the%translate%manipulators% to%compare%the%effect.% 3. Select%a%single%vertex.%
4. Translate%this%vertex%to%see%how%this% creates%more%subtle%changes% 4
4
!
13!
4
Step46:4Rotation%with%Edit%Form%
4
1. Make%sure%that%at%least%one%face%is% selected.% 2. Click%and%drag%one%of%the%circular4arcs% to%rotate%the%selected%geometry%about% a%single%axis.%%%
%
Note:%Be%careful%not%to%rotate%geometry%too% far,%as%self@intersecting%faces,%or%geometry%that% twists%through%itself%will%result%in%not%being% able%to%convert%it%in%to%a%solid%body.4 4
4
Step47:4Single%direction%scaling%%
4
1. Make%sure%that%at%least%one%face%is% selected.% 2. Click%and%drag%one%of%the%straight4lines% to%scale%the%selected%face%in%one% direction.%
4
4
!
14!
Step48:4Planar%scaling%%
4
1. Make%sure%that%at%least%one%face%is% selected.% 2. Click%and%drag%one%of%the%small%corner4 manipulators4to%scale%the%selected% face%along%a%plane%–%or%in%two% directions.% %
4
Step49:4Universal%scaling%
%
1. Make%sure%that%at%least%one%face%is% selected.% 2. Click%and%drag%the%circular4 manipulator%at%the%center%of%the% manipulator.%
3. Dragging%left%or%right%will%scale%the% geometry%in%all%directions%up%or%down.% 4
4
Step410:4Extrude%a%face%to%add%geometry%
%
1. Select%a%single4face%of%your%T@Spline% form.% 2. With%the%Edit%Form%command%still% active,%hold%the%altGoption%on%Mac%or% alt%key%on%Windows.%
3. Click%and%drag%the%single4arrow%to%add% geometry%outward%from%the%selected% face.%
4. Let%go%of%the%altGoption/alt%key%as%well% as%the%left@mouse%button.% 5. Select%OK%to%close%Edit4Form%
4
Note:44You%can%use%this%hotkey%function%to% extrude%any%edge(s)%or%face(s)%that%are% selected%on%a%T@Spline%form.4
!
4
15!
Step411:%Change%display%mode.%When% modeling%with%T@Splines%you%have%3%different% display%modes%to%choose%from.%%Changing%the% display%mode%can%help%you%find%problem%areas% on%your%model%and%increase%performance%by% not%having%to%constantly%smooth%the%T@Spline% shape.%%For%this%example%we%will%switch%the% display%to%Box%Mode%–%a%polygon%version%of% the%T@Spline%form.%
%
1. Select%Modify4>4Performance4>4
Display%Mode%to%bring%up%the%Display%
Mode%window%
2. In%the%Display%Mode%window%select%
Display4Mode4>4Box4Display%to%show%a%
unsmoothed%version%of%the%T@Spline% form.% 3. Select%Display4Mode4>4Control4Frame4
Display4to%see%a%combination%of%the%
unsmoothed%and%smoothed%versions% of%the%T@Spline.% 4. Select%Display%Mode%>%Smooth%Display% to%go%back%to%the%smoothed%version.% 5. Select%Display4Mode4>4Box4Display%
6. Select%OK%to%close%the%window%
%
Note:%%Display%mode%can%also%be%switch%by% using%the%combination%of%Control4+414for4Box,% Control4+24for4Control4Frame%and%Control4+434 for4Smooth4on%a%Mac.%%Or%Alt4+1,%Alt4+2,%Alt4+3% respectively%on%a%PC.%%%You%can%also%find%these% controls%in%the%Selection4Options%section%of% the%Edit4Form%window.%
%
4
4
4
!
16!
Step412:%Working%in%Box%Display%Mode.%
1. Hold%down%the%right4mouse4button%to% bring%up%the%radial%menu.% 2. Select%Edit4Form%in%the%radial%menu%
3. Select%a%face%and%hold%altGoption/alt% while%dragging%the%blue%arrow%up%to% extrude%the%face.%%You%will%notice%that% the%performance%is%faster%in%Box%mode% that%in%Smooth%mode.%
4. Hold%control/alt4+3%to%return%to% smooth%mode.% 5. Hold%down%the%right4mouse4button% and%select%OK%from%the%radial%menu%to% close%the%Edit4Form%window.%
6. Select%Finish4Form%from%the%menu%bar% to%go%back%to%the%Model%workspace.% Step413:%Add%edges%to%a%T@Spline%form%
%
7. Enter%the%Sculpt%workspace%by% selecting%Create4>4Create4Form.% 8. Create%another%Box%primitive%whose% length,%width,%and%height%are%100mm,4 100mm,%and%200mm.%
9. Set%the%number%of%length,%width,%and% height%faces%equal%to%4,42,4and%2.4% 10. Click%OK.%
11. Click%Modify%>%Insert4Edge.%
12. DoubleGclick%on%one%of%the%middle% edges%to%select%the%entire%middle%loop.% %
Note:%%Double%clicking%on%an%edge%will%select%
the%complete%edge%loop.%Selecting%a%single% edge%inserts%an%edge%to%a%face%on%either%side%of% the%selected%edge.%%Selecting%an%edge%loop% adds%a%second%loop.% 4
4
4
!
17!
4
Step414:%Adjust%the%insert%location%
%
1. Click%and%drag%the%double%arrow%to% adjust%the%position%of%the%inserted% edge.%%
2. By%hand,%or%with%the%text%field,%set%the%
Insert%Location%equal%to%0.75.%
3. Change%the%Insert4Side%from%Single%to%
Both.%
4. Click%OK.%%
%
Note:%You%probably%noticed%that%the%shape%of% the%T@Spline%form%changed%after%you%inserted% additional%edges.%%The%top%and%the%bottom%of% the%box%became%sharper%by%adding%more% edges%near%the%existing%top%and%bottom%edges.%%
If%you%want%to%insert%an%edge(s)%and%not%
change%the%shape%of%the%T@Spline%form,%change% the%Insertion4Mode%to%Exact.%% 4
4
!
18!
Step%15:%Delete%and%edge%
%
1. Select%the%recently%added%the%upper4 edge4loop.% 2. Select%Modify4>4Delete%or%press%the%
Delete%key%on%your%keyboard.%
3. Select%Finish4Form.%
%
%
4
4
%
!
!
%
19!
Lesson%3:%Create%a%T@Spline%Form%using%a%reference%image%
When%sculpting%a%shape%with%T@Splines%it%is%helpful%to%have%a%reference%image%to%guide%
you.%%Reference%images%can%be%plan%view%sketches%or%photographs%that%are%set%in%the% background%of%the%workspace%to%model%from.%%In%Fusion%360%you%can%attach%an%image%to% a%work%plane%and%then%calibrate%the%image%so%that%you%are%modeling%in%the%correct%scale.%%
In%this%lesson%we%will%use%a%side%view%photograph%of%a%utility%knife%as%reference%to%sculpt%a%
T@Spline%body%that%will%be%the%outer%shape%body%of%the%knife.%%%
!
Learning%Objectives%
1.
2.
3.
4.
Insert%and%image%in%to%the%workspace%using%Attach4Canvas%
Use%Calibrate%to%set%the%proper%scale%for%the%reference%image%
Invoke%symmetry%when%modeling%a%T@Spline%box%
Use%Insert4Point%to%draw%edges%on%a%T@Spline%face(s)%
%
Step41:%Attach%a%canvas%
%
1. Select%Insert44>4Attached4Canvas.%%
2. Select%the%YZ4Plane%(between%the% green%and%blue%axis)%to%indicate%which% plane%the%image%should%be%attached% to.% 3. In%the%dialog%window,%click%the%Select4
Image%button%and%navigate%to%the%
03_UtilityKnife.jpg%file.%
Step42:%Adjust%canvas%settings%
%
1. If%necessary,%rotate%the%canvas%90% degrees%to%orient%it%properly% 2. Lower%the%opacity%to%85.%
3. Check%the%box%for%Display4Through%to% ensure%that%the%canvas%can%be%seen% through%your%T@Spline%form.%
4. Click%OK.%
%
Note:%You%don’t%need%to%be%concerned%about% the%size%and%scale%of%the%image%at%this%point.%% We%will%adjust%the%scale%using%the%Calibrate% tool.%%Calibrating%the%image%ensures%that%you% are%modeling%in%the%correct%scale%in%the% workspace.% !
4
4
20!
Step43:%Calibrate%the%image.%%
1. In%the%Browser,%click%the%drop@down% arrow%next%to%the%Canvases%folder.% 2. Right@click%on%UtilityKnife%and%select%
Calibrate.%
3. Click%Right%on%the%ViewCube%to%view% the%utility%knife%from%the%side.% 4. Click%once%at%the%front4of%the%utility% knife.% 5. Click%once%at%the%back4of%the%utility% knife.% 6. Enter%1804mm%in%the%length%field%and% hit%enter.% 7. The%canvas%will%scale%up%accordingly.%
4
Step43:%Create%a%box%primitive%
1. Click%the%Create4>4Create4Form%icon%to% enter%the%Sculpt%workspace.% 2. Click%Create4>4Box.%
3. Select%the%same%side%plane%(YZ)%as%the% canvas%to%specify%the%plane%that%the% Box%is%placed%on.%
4. Click%once%at%the%origin%to%specify%the%
Box’s%center%point.%
5. Move%the%mouse%and%click%again%at%the% outer%edge%of%the%reference%image%to% draw%its%2D%profile.%
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4
21!
Step44:%Set%box%dimensions%and%add%symmetry%
%
1. Set%the%Box’s%Length,4Width,%and%
Height%equal%to%175,435,4and%254mm,%
respectively.%
2. Set%the%number%of%Length%Face%equal% to%5,%and%the%width%and%height%faces% equal%to%2.%
3. In%the%dialog%window,%change%the%
Symmetry4from%None%to%Mirror.%
4. Check%the%box%for%Height4Symmetry.%
5. Select%OK.%
4
Step45:%move%faces%to%the%top%of%the%knife% image.% 1. If%you%are%not%in%the%right%side%view% still,%click%on%the%Right%side%of%the% View4Cube.%
2. Select%Modify4>4Edit4Form.%
3. Select%the%middle%set%of%faces%by% holding%the%left4mouse4button%and% dragging%to%the%lower%right%over%top%of% the%faces%you%want%to%select.% 4. Using%the%Planar4Translation% manipulator,%move%the%selected%faces% to%align%the%top%of%the%T@spline%body% with%the%top%of%the%utility%knife%image.% 4
%
%4
Step46:%move%faces%to%the%top%of%the%knife% image.% 1. To%align%the%bottom%in%this%section,% select%the%bottom4face%and%use%the% planar4translation%and%rotate4 manipulators.% 5. Repeat%the%previous%2%steps%for%the% rest%of%the%T@spline%form.%It%will%also%be% helpful%to%use%the%singleGdirection4 scale%manipulator%in%some%cases.% 6. For%more%controlled%editing,%try% modifying%individual%edges.%% 4
4
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22!
4
Step46:%Insert%edges%to%get%closer%to%the%knife% shape.%%Our%T@Spline%form%is%starting%to% resemble%our%reference%image%but%there%aren’t% enough%edges%in%the%T@Spline%to%capture%all%the% detail%of%the%Knife.%%
1. Hold%Shift%then%select%the%edges% shown%at%the%front%of%the%knife.% 2. Click%Modify4>4Insert4Edge.%
3. Drag%the%direct%manipulator%to%the% right%to%position%the%new%edges%at%an% Insert4Location%around%G0.5.%
4. Click%OK.%
4
%
Note:%%With%Symmetry%enabled%you%only%need%
to%select%the%edges%one%side%of%the%symmetry% plane,%the%matching%ones%on%the%other%side% will%be%automatically%selected%also%and%will%be% displayed%in%yellow.% %
4
!
23!
Step47:%Insert%additional%edges%with%Insert4
Edge.%
1. Holding%Shift%then%select%the%edges% shown%at%the%back%of%the%knife.% 2. Select%Modify4>4Insert4Edge.%
3. Drag%the%direct%manipulator%to%the% right%to%position%the%new%edges%at%an% Insert4Location%around%G0.5.%
4. Click%OK.%
4
Step48:%Move%the%inserted%edges%with%Edit4
Form.%
1. Use%the%Edit4Form%command%to% manipulate%the%recently%inserted% edges%to%achieve%the%result%shown%in% the%image.% %
Note:%The%planar%translation%manipulator%
will%be%extremely%useful.%%
4
Step49:%%Use%Insert4Point%to%draw%edges%on%a% face.%!To%insert%the%final%two%edges%we%need,% we’ll%use%the%Insert4Point%command.%Slightly% different%from%Insert%Edge,%the%Insert4Point% command%will%easily%insert%an%edge%by% connecting%two%points%together.% %
1. Click%Modify4>4Insert4Point.%
2. Hover%over%the%middle%of%the%top%edge% shown%until%a%red4circle%appears%–%this% indicates%the%midpoint%
3. Click%and%repeat%for%the%edge%directly% beneath,%located%along%the%line%of% symmetry.%
4. Ensure%the%Insert4Mode%set%to%Simple.%
5. Click%OK.%
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4
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24!
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Step%10:!Use!Edit%Form!to!move!faces!and! edges!until!you!have!matched!the!TASpline! body!to!the!profile!of!the!Knife!image.!
1. Use%the%Edit4Form%command%to% manipulate%the%recently%inserted% edges%(as%well%as%the%surrounding% geometry)%to%get%the%T@Spline% primitive%to%match%as%closely%as% possible.% 2. When%you%are%satisfied%with%the%shape% of%the%T@Spline%body%select%Finish4 Form%from%the%Sculpt%Menu%bar.%
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25! 