Skeinforge Tools Crafts.docx

Skeinforge Tools Crafts.docx

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SkeinforgeToolsCrafts

SkeinforgeToolsCraft

Bottom

Bottomsetsthebottomofthecarvingtothedefinedaltitude.

Operation:

Thedefault'ActivateBottom'checkboxison.Whenitison,thefunctionsdescribedbelowwillwork,whenitisoff,thefunctionswillnotbecalled.

Note:

WithBottomdisabled,Skeinforgewillautomaticallyadd1/2ofthelayerheighttothestartingZheight.ThisbehaviormaybeundesirableifyouhavealreadysetyourZendstoptothedesiredstartingheight.Todisablethisbehavior,enableBottomandsetbothAdditionalHeightoverLayerThicknessandAltitudeto0.

Settings

AdditionalHeightoverLayerThicknessDefault:

0.5

ThelayerswillstartatthealtitudeplustheAdditionalHeightoverLayerThicknesstimesthelayerthickness.Thedefaultvalueofhalfmeansthatthebottomlayerisattheheightofthebottomslice,becauseeachsliceismadethroughthemiddleofeachlayer.Raftexpectsthelayerstostartatanadditionalhalflayerthickness.YoushouldonlychangeAdditionalHeightoverLayerThicknessifyouaremanipulatingtheSkeinforgeoutputwithyourownprogramwhichdoesnotusetherafttool.

AltitudeDefault:

0mm

Definesthealtitudeofthebottomofthemodel.ThebottomslicehasazofthealtitudeplustheAdditionalHeightoverLayerThicknesstimesthelayerthickness.

SVGViewerDefault:

'webbrowser'

Ifthe'SVGViewer'issettothedefault'webbrowser',thescalablevectorgraphicsfilewillbesenttothedefaultbrowsertobeopened.Ifthe'SVGViewer'issettoaprogramname,thescalablevectorgraphicsfilewillbesenttothatprogramtobeopened.

Usage

Sideviewoffilamentandprintbed.

Inthisscenario,theZaxiswillneedtoberaisedbeforeprinting.Here'swhereBottomisareallyusefulplugintocontrolthestartingZheightforprinting.BysettingAdditionalHeightoverLayerThicknessratioto1（orjustslightlyunder,sothefirstlayeradheresbetter）,SkeinforgewillautomaticallysetthestartingZheighttoyourlayerheight.Usingthismethod,younolongerneedtoadjustyourphysicalendstopswhenyouchangelayerheight.

Protip:

Usingthismethod,parkingthetipofthehotendontheprintbed,caneliminatemostoozingwhileyourprinterishotandidle.

HeretheprintingZaxishomestothetopoftheprintbed.ThestartingZprintheightissetbyacombinationofAdditionalHeightoverLayerThicknessratio*LayerHeight+afixedAltitudeamount.Youmaywanttousethisifyourprintbedisn'tcompletelyflat.Ifyourprintbedisslightlyconcave,youcouldsetAltitudetoasmallnegativeamounttocorrectforit,orasmallpositiveamountifconvex.

HeretheprintingZaxishomestoasetpointabovetheprintbed.TheactualstartingprintheightissetbyacombinationofZheightendstop+AdditionalHeightoverLayerThicknessratio*LayerHeight+afixedAltitudeamount.

HeretheprintingZaxishomestoasetpointabovetheprintbed.TheactualstartingprintheightissetbyacombinationofZheightendstop+afixedAltitudeamount（whichisnegativeinthiscase）.HereAltitudeisusedtocorrectfortheZendpointbeingsettoohigh.

Carve

Operation:

Themostimportantplugintodefineyourprinter.

Settings

BridgeThicknessMultiplier（ratio）Default:

1.0

ExtraDecimalPlaces（integer）Default:

1

ImportCoarseness（ratio）Default:

1

InfillinDirectionofBridgesDefault:

ON

LayerThickness（mm）Default:

0.4or0.45

Thethicknessofthelayeryourprinterwilldeposit.Thisdefines:

thethicknessoflayerSkeinforgewillcutyourobjectinZstepingeneratedG-Code.For0.5mmnozzleusablevaluesare0.3-0.5.Notethatifyouareusingthinnerlayermakesuretoadjusttheextrusionspeedtoo.

LayersFrom（index）Default:

0

FromwhatlayertostartgeneratingtheG-Code.Forexampleifyourobjectis5mmtallandyourlayerthicknessis1mmifyouputlayersfrom=3youwillignorefirst3mmandstartfrom4th.

LayersTo（index）Default:

999999999

Sameaslayersfrom,onlywhentoendthegenerationofG-Code

MeshTypeDefault:

CorrectMeshNoideawhatthisdoes

PerimeterWidthoverThickness（ratio）Default:

1.8

ThisparametertellsSkeinforgehowthicktheperimeterwallisexpectedtobeinrelationtothelayerthickness.Defaultvalueof1.8forthedefaultlayerthicknessof0.4statesthatsinglefilamentperimeterwallshouldbe0.4*1.8=0.72mmthick.Thisisanimportantcalibrationvalueasifyouarecalibratingyourmachineyouneedtobesurethatspeedoftheheadandextrusionrateincombinationproduceawallthatis"layerthickness"*"perimeterwidthoverthickness"thick.Tostartwith"PerimeterWidthoverThickness"isprobablybestleftatthedefaultof1.8andtheextrusionrateadjustedtogivethecorrectcalculatedwallthickness.Adjustmentisinthe"Speed"sectionwith"FeedRate"controllingspeedoftheheadinX&Yand"FlowRateSetting"controllingtheextrusionrate.Initiallyitisprobablyeasiertostartadjustingtheflowrateonlyalittleatatimeuntilyougetasinglefilamentofthecorrectwidth.Ifyouchangetoomanyparametersatonceyoucangetinarightmess.

Dwindle

DwindleisaplugintoreducetheFeedRateandFlowRateattheendofthethread,inordertoreducetheoozewhentraveling.ItreducestheFlowRatebyabitmorethantheFeedRate,inordertouseupthepentupplasticinthethreadsothatthereislessremainingintheooze.

Operation:

Thedefault'ActivateDwindle'checkboxisoff.Whenitison,thefunctionsdescribedbelowwillwork,whenitisoff,nothingwillbedone.

Settings

EndRateMultiplierDefault:

0.5

Definestheratioofthefeedandflowrateattheendoverthefeedandflowrateoftherestofthethread.WithreasonablevaluesforthePentUpVolumeandSlowdownVolume,theamountofoozeshouldberoughlyproportionaltothesquareoftheEndRateMultiplier.IftheEndRateMultiplieristoolow,theprintingwillbeveryslowbecausethefeedratewillbelower.IftheEndRateMultiplieristoohigh,therewillstillbealotofooze.

PentUpVolumeDefault:

0.4mm3

Whenthefilamentisstopped,thereisapentupvolumeofplasticthatcomesoutafterwards.Forbestresults,thePentUpVolumeindwindleshouldbesettothatamount.IfthePentUpVolumeistoosmall,therewillstillbealotofooze.IfthePentUpVolumeistoolarge,theendofthethreadwillbethinnerthantherestofthethread.

SlowdownStepsDefault:

3

Dwindlereducesthefeedrateandflowrateinstepssothethreadwillremainatroughlythesamethicknessuntiltheend.TheSlowdownStepssettingisthenumberofsteps,themorestepsthesmallerthevariationinthethreadthickness,butthelargerthesizeoftheresultinggcodefileandthemoretimespentpausingbetweensegments.

SlowdownVolumeDefault:

5mm3

TheSlowdownVolumeisthevolumeoftheendofthethreadwherethefeedandflowrateswillbedecreased.IftheSlowdownVolumeistoosmall,therewon'tbeenoughtimetogetridofthepentupplastic,sotherewillstillbealotofooze.IftheSlowdownVolumeistoolarge,abitoftimewillbewastedbecauseforalargeportionofthethread,thefeedratewillbeslow.Overall,itisbesttoerronbeingtoolarge,becausetoolargewouldonlywastemachinetimeinproduction,ratherthanthemoreimportantstringremovallabortime.

Fill

Operation:

Fillplugindefinesthewayinsideofyourobjectwillbefilled.IfFillisnotactivatedyourobjectwillnotbefilledandonlyperimeterwillbeprinted.

Settings

Diaphragm:

DiaphragmPeriod（layers）Default:

999999

Forcecreationofdiaphragmevery##layers.Normallyinsideoftheobjectisfilledusinginfillpatternbutyoucanforceevery##layerstobeadiaphragm（afullyfilledlayer）.

DiaphragmThickness（layers）Default:

0

Howmanylayersthediaphragmwillbethick.Value0means"donotmakediaphragms".

ExtraShells:

ExtraShellsonAlternatingSolidLayer（layers）Default:

1

Shellisthe"outline"extrusion.Youcansetdifferentnumberforthisoutlinesonalternatinglayers.Thesolidlayersarelayersontheoutsideoftheobject.

ExtraShellsonBase（layers）Default:

1

Baselayeristhe"first"layeroftheobject.

ExtraShellsonSparseLayer（layers）Default:

1

Sparselayersarethelayersoftheobjectthatarenotbasenorsolid,so"allotherlayers".

Grid:

Thesesettingsaffecthowtheinfillgridwillbecreated.

GridExtraOverlap（ratio）Default:

0.12

Thefillofthesolidlayerisdonebyparallellines.Thehigherthisnumberis,themoreclosetoeachotherthislineswillbe.

GridJunctionSeparationBandHeight（layers）Default:

10Noideawhatthisdoes

GridJunctionSeparationoverOctogonRadiusAtEnd（ratio）Default:

0Noideawhatthisdoes

GridJunctionSeparationoverOctogonRadiusAtMiddle（ratio）Default:

0Noideawhatthisdoes

Infill

InfillBeginRotation（degrees）Default45.0

Theparallellinesthatareusedtofillthelayer-thisdefinestheinitialangleofthislines（fromtheXaxis）

InfillBeginRotationRepeat（layers）Default:

1Notsure

InfillInteriorDensityoverExteriorDensity（ratio）Default:

0.9

Theratiobetweeninside100%andoutside100%fill.Values0.9-1areusable,usinglowervaluesisnotrecommended.

InfillOddLayerExtraRotation（degrees）Default:

90.0

Everysecondlayerwillhaveinfillpatternrotatedbythismanydegrees.

InfillPattern

Possiblepatternstousetofillthe"notsolid"layers.Irecommendhexagonalpatternasitgivesmorestrengthforsamepercentageoffillthenothertwo.

GridHexagonal

GridRectangular

Line

InfillPerimeterOverlap（ratio）

Defineshowmuchoverlapthereisbetweentheinfillpattern