Download or view gripper.frink in plain text format
/** This makes a gripper cup for a long-reach grabber for 3-D printing out
of flexible material like TPU.
*/
res = 254/in
// The disc that screws into the gripper.
discDiamBase = 18 mm
discDiamTop = 28 mm
discHeight = 9 mm
outerSpheroidDiam = 37.6 mm
outerSpheroidHeight = 21 mm
wallThickness = 2.4 mm
innerSpheroidDiam = outerSpheroidDiam - 2 wallThickness
innerSpheroidHeight = outerSpheroidHeight - 2 wallThickness
shiftUp = 5 mm
disc = callJava["frink.graphics.VoxelArray", "makeTaperedCylinder", [0, 0, 0, 0, 0, discHeight res, discDiamBase/2 res, discDiamTop/2 res]]
cupOuter = callJava["frink.graphics.VoxelArray" , "makeSpheroid", [outerSpheroidDiam/2 res, outerSpheroidDiam/2 res, outerSpheroidHeight/2 res]]
cupOuter.translate[0, 0, (outerSpheroidHeight/2 + shiftUp) res]
cupInner = callJava["frink.graphics.VoxelArray" , "makeSpheroid", [innerSpheroidDiam/2 res, innerSpheroidDiam/2 res, innerSpheroidHeight/2 res]]
cupInner.translate[0, 0, (outerSpheroidHeight/2 + shiftUp) res]
slicePlane = newJava["frink.graphics.Plane3DFloat", [0, 0, 15.1 mm res, 0, 0, 1]]
v = disc.union[cupOuter]
v.removeOutside[slicePlane]
v.remove[cupInner]
screwDiam = 2.2 mm
screwHeight = 7 mm
screwHole = callJava["frink.graphics.VoxelArray", "makeCylinder", [0, 0, 0, 0, 0, screwHeight res, screwDiam/2 res]]
v.remove[screwHole]
v.projectX[undef].show["X"]
v.projectY[undef].show["Y"]
v.projectZ[undef].show["Z"]
filename = "gripper.obj"
print["Writing $filename..."]
w = new Writer[filename]
w.println[v.toObjFormat["gripper", 1/(res mm)]]
w.close[]
println["done."]
Download or view gripper.frink in plain text format
This is a program written in the programming language Frink.
For more information, view the Frink
Documentation or see More Sample Frink Programs.
Alan Eliasen was born 19966 days, 22 hours, 46 minutes ago.