space invaders tote...95 space invaders tote the space invaders are sensitive to the electromagnetic...
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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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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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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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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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