SPACE INVADERS TOTE...95 SPACE INVADERS TOTE The Space Invaders are sensitive to the electromagnetic waves of mobile phones. When in close proximity to a mobile phone, the Space Invader

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SPACE INVADERS TOTE

TheSpaceInvadersaresensitivetotheelectromagneticwavesofmobilephones.Whenincloseproximitytoamobilephone,theSpaceInvaderisenergizedbyanincomingcallanditsLEDeyesbegintotwinkle.

HOW IT WORKS »

Accessorized with a handmade Space Invaders Tote for an evening shindig, you will never miss a call again. Whether you’re out in crowded loud bar or trying to be discrete at a friend’s poetry reading, the Space Invaders Tote provides an ambient light signal letting you know that someone is trying to reach you.

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TOOLS

Sewing machineSoldering ironThird hand (recommended)Tracing penSewing pinsNeedleScissorsNeedlenose pliersUtility knifeIron and ironing boardWire strippersRosin-core solderDesoldering braid

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MATERIALS

Metallic snaps (4)1yd sturdy fabric forexteriorofbag1yd lining fabric ½yd metallic nylon ripstop fabric forSpaceInvader½yd ironing board material fortoplayerofSpaceInvader11/3yd nylon webbing forshoulderstrapInterfacingMetal strap carriers (2)Metallic threadNonmetallic threadFabric fusing material Conductive threadElectrical tapeRuler

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TEMPLATES

Template A SpaceInvaderbottom(2)andinterfacing(2)Template B SpaceInvadertop(2)Template C Eyes(4)Template D Bagexterior(1)andbaglining(1)Template E Innerpocket(1)Template F Outerpocket(1)Template G Straphandle(2)

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ELEcTRONIcS

Cellphone flasher part#PF1001mutr.co.uk26 AWG stranded wire, 12"LEDs (2) Piranhahigh-fluxLEDsare recommended.

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WHAT yOu WILL LEARN

How to solder and desolderHow to sew a soft circuitHow to work with LEDs

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cOMPLEXITy: INTERMEDIATE

RELATED TuTORIALS

Working with LEDs (19-23)Sewing Soft Circuits (57-67)Art of Soldering (45-49)Desoldering (49)

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Chapter 3: Wearables: Space Invaders Tote

TEMPLATES

G

STRAP HANDLE ×2

AuNDER INVADER ×4

top

bottom

FOLD

LIN

E BTOP INVADER ×2

top

bottom

FOLD

LIN

E CEyES ×4

FOLDLINE

bottom

DEXTERIOR ×1

& INTERIOR OF BAG ×1

½" ½" ½" ½"

¾"

½"

¾"

½"

FOLDLINE

FOuTER POcKET ×1

EINNER

POcKET ×1

top

top

½"

½"

½"

12"

14"

3"

3"

5"

5"

2½"

2½"

2"

¾"

¾"

5½"

3½" 3¼"

55/6"

Templatesavailableonlineatfashioningtechnology.com/spaceinvaders.

SEWING GuIDE

topWRONGSIDEUP LED

leads:-+

Femalesnap Malesnap

NegativeconductivepathPositiveconductivepath

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e.Grabthefemaleendsofthesnaps.Loopandtwistoneofthepositivewiresthroughafemalesnap.Addatouchofsoldertosecuretheconnection.Repeatfortheotherpositivewireandremainingfemalesnap.Grabthemaleendsofthesnaps.Repeattheprocess,solderingthenegativewirestothemalesnaps.

1. WIRE THE PHONE FLASHER uNIT

The phone flasher comes with 2 LEDs presoldered on the circuit board. You will be removing the LEDs and replacing them with wires soldered with a pair of snaps at each end. A third hand tool is recommended.

a.Removethebatteriesfromthephoneflasherboard.

b.Usingadesolderingbraid,placethebraidoverasolderjointofanLED.Usingtheirontip,pressthetipoverthebraidandjoint.Oncethesolderismolten,removethebraid.(Foradetailedtutorialonhowtodesolder,refertopage49.)Repeatforthesecondjoint,completelyremov-ingtheLEDfromthecircuitboard.RepeatforthesecondLED.BothLEDsshouldnowberemoved.

c.Cutandstriptheendsoffour1½"piecesofstrandedwire.Twisttheendstightlysothattheydon’tfray.Next,tapethephoneflasherboardontoahardsurface(oruseyourthirdhandtool),makingsuretoleavethesolderpointsopen.

d.Solderoneendofthestrandedwireontooneofthesolderpoints.Repeatfortheother3.Thewiressolderednearthemarkings“LED1”and“LED2”ontheboardwillbethenegativewires,andtheother2willbethepositive.Usingablackmarker,markthenegativewires.

START »

NOTE: Before removing LEDs from phone flasher unit, test the unit first (by checking your voicemail, for example) to ensure that it works with your particular cellphone and/ or that the batteries are not discharged. If the LEDs do not blink, try replacing the batteries.

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Chapter 3: Wearables: Space Invaders Tote

2. cuT THE SPAcE INVADER PATTERN

Use the Space Invader pattern or create one of your own. You will be making 2 Space Invaders to sew onto the upper portion of your tote, one with a pair of LEDs for its eyes.

a.Cutthemetallicnylonripstopfabricintofour6"×8"pieces.Foldthe6"×8"fabricinhalf,lengthwise,wrongsideout,aligningedges.PinthesideofTemplateAmarked“foldline”tothefoldededgeofthefabric.TemplateAwillbethebottomlayeroftheSpaceInvader—thebacking.

3. SEW THE SPAcE INVADERS

a.TopstitchtheupperfabriclayeroftheSpaceInvadertothebottomlayer.RepeatforthesecondSpaceInvader.

b.Topstitchtheeyesontopinanydesiredlocation,preferablyatleast1½"apart.ThiswillbethefrontoftheSpaceInvader.RepeatforthesecondSpaceInvader.

b.Usingatracingpen,tracethepatternontothefabric.Cutthefabricalongyourtracedlines.Repeat3moretimes,cuttingatotalof4pieces.

c.RepeatSteps2aand2bforTemplateBusingtheironingboardfabric,cuttingatotalof2pieces.TemplateBwillbethetoplayeroftheSpaceInvader.

d.PinTemplateContothemetallicnylonripstopfabricandtracethetemplate.Cutatotalof4pieces.TemplateCwillbetheeyes.

e.UsingTemplateA,traceandcut2piecesofinterfacingslightersmallerthanthetemplate.TheinterfacingwillbesandwichedbetweenthetopandbottomfabricpiecestogivetheSpaceInvaderstructure.

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c.Takeoneoftheinterfacingpieces.SandwichtheinterfacelayerbetweenthetopandbottomlayersoftheSpaceInvader.Youcanusealayeroffusingmaterialtoadherethepiecestogetherbeforesewing.Topstitchthe3piecestogether.

d.Markthelocationoftheeyesontheremaininginterfac-ingpiece.Usingconductivethread,hand-stitchalinefromthetopoutersectionofaneyedowntothebottomoftheinterfacing.Thiswillbethenegativeline.Thenhand-stitchalinefromthebottominnersectionoftheeyedowntothebottomoftheinterfacing.Thiswillbethepositiveline.Repeatforthesecondeye.Seesewingguideonpage97.

e.Cuttwo1"×2"piecesoffabric.Starting¼"fromtheleftside,usingconductivethread,machine-sewalinefromthetopofthefabric,stopping¼"fromthebottom.Leave5"ofloosethreadfromthetopandbottom.Thensewaparallelline¼"fromtherightside.Repeatforthesecondpiece.

f.Threadasewingneedlewiththeloosethreadfromthebottomleftofthefabric.Hand-sewafemalesnap,securingittothefabric.Knotandcutoffanyextrathread.Thefemalesnapwillbethenegativesnap.Repeat,sewingamalesnaptothebottomrightofthefabric.Themalesnapwillbethepositivesnap.Repeatforthesecondfabricpiece,thistimeswappingtheplacementofthesnaps.

g.Grabtheinterfacinglayer.Placeafabricpiecefacedown,aligningthestitchlinesfromthepositive(male)andnegative(female)snapstothepositive(frombottomofeye)andnegativelines(fromtopofeye)sewnontheinterfacing.Refertothesewingguideonpage97.Threadasewingneedlewiththepositiveloosethreadfromthefabricpiece.Securelysewthefabricpieceontotheinterfacing,overlappingtheconductinglinesfrombothpieces,creatingaconductivepathfromtheinterfacingtothesnap.

h.Threadaneedlewiththenegativeloosethreadfromthefabricpiece.Securelysewthefabricpieceontotheinter-facing,makingsurebothnegativeconductivelinesoverlap.Repeatforthesecondfabricpiece,aligningthestitchlinesfromthepositiveandnegativelinesaccordingly.Placethecombinedtopfabriclayerfacedown.Placetheinterfacinglayerdirectlyontopofthefabriclayerwiththesnapsfacingdown.Pin.

NOTE: For the second fabric piece, swap the place-ment of the male and female snaps so that the female snap is at the bottom left and the male snap is at the bottom right.

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Chapter 3: Wearables: Space Invaders Tote

4. ADD THE LEDS

a.Turnthecombinedtopfabriclayerandinterfacinglayerrightsideup.PositionanLEDinthecenteroftheeyesquarewiththenegativeleadsfacingup.(IfyouarenotsurewhichisthenegativeorpositiveleadoftheLED,refertopage74tolearnhowtodistinguishbetweenthe2leads.)

PiercetheleadsofanLEDthroughbothpieces,havingtheleadsexitthroughthetopoftheinterfacing.Usingapairofneedlenosepliers,gentlybendtheleadsflushtothefabric.

d.AlignthebottomfabriclayerontopoftheSpaceInvader.Pin.Usingscissors,cut2"offthebottomfabric,creatinganopeningforthesnapfabricstrips.Topstitchthepiecestogether.

b.Usingconductivethread,hand-sewthebottompositiveleadsoftheLEDtothepositivestitchedlineontheinter-facing.Becarefulnottosewthroughthetoplayer.Repeatforthetopnegativeleads,sewingthemtothenegativestitchedlineontheinterfacing.

c.RepeatSteps4aand4bforthesecondLED.Theposi-tiveleadsoftheLEDsshouldnowbeconnectedtothepositivestitchedlineoftheinterfaceconcludingatthepositivemalesnap,andviceversaforthenegativeleads.Allthepositiveconductivepathsshouldnowbeconnectedtogetherandallthenegativepathstoeachother.

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5. cuT THE BAG EXTERIOR AND LINING TEMPLATES

a.Foldtheexteriorbagfabricinhalf,lengthwise,wrongsideout,aligningedges.PinthesideofTemplateDmarked“foldline”tothefoldededgeofthefabric.Usingatracingpen,tracethetemplateontothefabric.Cutthefabricalongtracedlines,cuttingnotches.

b.Marka½"seamlinealongallsidesexceptthefoldline.Foldthefabricinhalfalongthefoldline,wrongsideout,aligningedgesandnotchmarks.Machine-stitchalongbothsideseamlinemarkings.

c.RepeatSteps5aand5bfortheliningfabric,butdonotmachine-stitchyet.

6. ATTAcH THE POcKET TO THE LINING

a.PinTemplateEandFontothefabric.Trace,includingtheseamlines.Cutthepocketpieces.

b.Placeoneofpocketpieceswrongsideuponanironingboard.Foldtheseamlinesinwardandpress.Repeatforsecondpocketpiece.

c.Machine-stitchalongthe¾"seamforbothpockets.The¾"seamwillbethetopofthepockets.

d.Placetheliningpiecerightsideup.Centerthesmallpocketpiece,alsorightsideup,2"belowtheupperseamline.Topstitchthepocketpieceintoplace.Repeatforthelargepocketpiece,aligningit1¾"fromtheupperseamline.Thelargepocketpiecewillcoverthesmall,innerpocketpiece.

e.Foldtheliningfabricinhalfalongthefoldline,wrongsideout,aligningedges.Machine-stitchalongbothsideseamlinemarkings.

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Chapter 3: Wearables: Space Invaders Tote

7. MAKE AND ATTAcH THE STRAP HANDLES

a.Foldthestraphandlefabric(shouldbesimilartotheexteriorfabric)inhalf,wrongsideout.PinthesideofTemplateGmarked“foldline”tothefoldededgeofthefabric.Traceandcutthetemplatealongthemarkinglines.Repeatcuttingforatotalof2pieces.

b.Slipthestraphandlepiecethroughametalstrapcarrier.Machine-stitch¼"fromends.Repeatforthesecondstraphandle.

8. INSERT BAG LINING

a.Insertliningpiece,rightsideout,intotheexteriorbagpiece.Matchthesideseams.Thenfoldthe½"seamallowancesofboththeinnerandouterpiecestowardeachotherandpin.Pressandtopstitcharoundthebagabout¼"fromtheedge(thetopseam,notthesides).

b.Maketwo1½"horizontalbuttonholes2"apartfromeachother,locatingthem1"fromthetopofthelargeinnerpocket.Thesebuttonholeswillbeusedtoslipthesnapfabricpiecesthroughtotheinteriorofthebag.

c.Ontheexteriorbagfabric,positionthestrapcarriersatoppositeendsandoppositesidesofthebag.Alignthebottomofthestrapcarrierpiecetothetopofthebag,withtheangledsidefacingin,andpintotheoutsideofthebag.Machine-stitchthestrapcarriers,securingtheminplace.

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9. SEW THE SPAcE INVADERS

a.CentertheSpaceInvaderwithout the LEDsonthebag,with3"ofithangingoffthetopofthebag.ThefirstSpaceInvadershouldbeplacedonthesideofthebagwithout the pockets.Pin,thentopstitchtheSpaceInvaderintoplace.

10. SEW ON THE SHOuLDER STRAP

Cutthenylonwebbingtoyourdesiredlength.Slipthewebbingthroughthestraphandle,loopingitoverontoitself,andmachine-stitch.Repeat,attachingtheoppositeendofthewebbingtothesecondstraphandle.

b.CenterthesecondSpaceInvaderwiththeLEDsontheoppositesideofthebag,aligningitwiththefirstInvader.Pin.Slipthesnapfabricpiecesthroughthebuttonholesintotheinteriorofthebag.ThentopstitchtheSpaceInvader,avoidingtheinteriorpockets.

c.Snapthephoneflasherintoplaceandslipitintothesmallinteriorpocket.

FINISH ×

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Chapter 3: Wearables: Space Invaders Tote