Bolex rewind key handle
Handle is broken into 2 pieces, knurled for grip. As seen here: https://www.shapeways.com/product/PQMJJS9NF/bolex-rewind-key-handle
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$fn = 90;
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include <./knurledFinishLib_v2.scad>;
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module bolex_rewind_knurled_handle () {
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difference () {
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knurled_cyl(13, 13, 2, 2, .3, 0, 0);
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cylinder(r = 5.6 / 2, h = 40, center = true);
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}
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}
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module bolex_rewind_knurled_handle_SPLIT (piece = 0) {
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difference () {
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bolex_rewind_knurled_handle();
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if (piece == 0) {
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translate([50, 0, 0]) cube([100, 100, 100], center = true);
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translate([0, 3.7, 13.75 / 2]) cube([2, 2, 5], center = true);
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translate([0, -3.7, 13.75 / 2]) cube([2, 2, 5], center = true);
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} else if (piece == 1) {
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difference () {
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translate([-50, 0, 0]) cube([100, 100, 100], center = true);
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translate([0, 3.7, 13.75 / 2]) cube([1.8, 1.8, 4.8], center = true);
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translate([0, -3.7, 13.75 / 2]) cube([1.8, 1.8, 4.8], center = true);
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}
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}
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}
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}
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bolex_rewind_knurled_handle_SPLIT(0);
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translate([10, 0, 0]) bolex_rewind_knurled_handle_SPLIT(1);
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File diff suppressed because it is too large
Load Diff
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@ -0,0 +1,181 @@
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/*
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* knurledFinishLib_v2.scad
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*
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* Written by aubenc @ Thingiverse
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*
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* This script is licensed under the Public Domain license.
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*
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* http://www.thingiverse.com/thing:31122
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*
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* Derived from knurledFinishLib.scad (also Public Domain license) available at
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*
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* http://www.thingiverse.com/thing:9095
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*
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* Usage:
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*
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* Drop this script somewhere where OpenSCAD can find it (your current project's
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* working directory/folder or your OpenSCAD libraries directory/folder).
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*
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* Add the line:
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*
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* use <knurledFinishLib_v2.scad>
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*
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* in your OpenSCAD script and call either...
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*
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* knurled_cyl( Knurled cylinder height,
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* Knurled cylinder outer diameter,
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* Knurl polyhedron width,
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* Knurl polyhedron height,
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* Knurl polyhedron depth,
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* Cylinder ends smoothed height,
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* Knurled surface smoothing amount );
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*
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* ...or...
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*
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* knurl();
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*
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* If you use knurled_cyl() module, you need to specify the values for all and
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*
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* Call the module ' help(); ' for a little bit more of detail
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* and/or take a look to the PDF available at http://www.thingiverse.com/thing:9095
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* for a in depth descrition of the knurl properties.
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*/
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module knurl( k_cyl_hg = 12,
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k_cyl_od = 25,
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knurl_wd = 3,
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knurl_hg = 4,
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knurl_dp = 1.5,
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e_smooth = 2,
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s_smooth = 0)
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{
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knurled_cyl(k_cyl_hg, k_cyl_od,
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knurl_wd, knurl_hg, knurl_dp,
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e_smooth, s_smooth);
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}
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module knurled_cyl(chg, cod, cwd, csh, cdp, fsh, smt)
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{
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cord=(cod+cdp+cdp*smt/100)/2;
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cird=cord-cdp;
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cfn=round(2*cird*PI/cwd);
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clf=360/cfn;
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crn=ceil(chg/csh);
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echo("knurled cylinder max diameter: ", 2*cord);
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echo("knurled cylinder min diameter: ", 2*cird);
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if( fsh < 0 )
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{
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union()
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{
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shape(fsh, cird+cdp*smt/100, cord, cfn*4, chg);
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translate([0,0,-(crn*csh-chg)/2])
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knurled_finish(cord, cird, clf, csh, cfn, crn);
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}
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}
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else if ( fsh == 0 )
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{
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intersection()
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{
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cylinder(h=chg, r=cord-cdp*smt/100, $fn=2*cfn, center=false);
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translate([0,0,-(crn*csh-chg)/2])
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knurled_finish(cord, cird, clf, csh, cfn, crn);
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}
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}
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else
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{
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intersection()
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{
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shape(fsh, cird, cord-cdp*smt/100, cfn*4, chg);
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translate([0,0,-(crn*csh-chg)/2])
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knurled_finish(cord, cird, clf, csh, cfn, crn);
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}
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}
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}
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module shape(hsh, ird, ord, fn4, hg)
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{
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x0= 0; x1 = hsh > 0 ? ird : ord; x2 = hsh > 0 ? ord : ird;
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y0=-0.1; y1=0; y2=abs(hsh); y3=hg-abs(hsh); y4=hg; y5=hg+0.1;
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if ( hsh >= 0 )
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{
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rotate_extrude(convexity=10, $fn=fn4)
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polygon(points=[ [x0,y1],[x1,y1],[x2,y2],[x2,y3],[x1,y4],[x0,y4] ],
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paths=[ [0,1,2,3,4,5] ]);
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}
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else
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{
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rotate_extrude(convexity=10, $fn=fn4)
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polygon(points=[ [x0,y0],[x1,y0],[x1,y1],[x2,y2],
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[x2,y3],[x1,y4],[x1,y5],[x0,y5] ],
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paths=[ [0,1,2,3,4,5,6,7] ]);
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}
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}
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module knurled_finish(ord, ird, lf, sh, fn, rn)
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{
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for(j=[0:rn-1])
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assign(h0=sh*j, h1=sh*(j+1/2), h2=sh*(j+1))
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{
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for(i=[0:fn-1])
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assign(lf0=lf*i, lf1=lf*(i+1/2), lf2=lf*(i+1))
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{
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polyhedron(
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points=[
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[ 0,0,h0],
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[ ord*cos(lf0), ord*sin(lf0), h0],
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[ ird*cos(lf1), ird*sin(lf1), h0],
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[ ord*cos(lf2), ord*sin(lf2), h0],
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[ ird*cos(lf0), ird*sin(lf0), h1],
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[ ord*cos(lf1), ord*sin(lf1), h1],
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[ ird*cos(lf2), ird*sin(lf2), h1],
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[ 0,0,h2],
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[ ord*cos(lf0), ord*sin(lf0), h2],
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[ ird*cos(lf1), ird*sin(lf1), h2],
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[ ord*cos(lf2), ord*sin(lf2), h2]
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],
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triangles=[
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[0,1,2],[2,3,0],
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[1,0,4],[4,0,7],[7,8,4],
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[8,7,9],[10,9,7],
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[10,7,6],[6,7,0],[3,6,0],
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[2,1,4],[3,2,6],[10,6,9],[8,9,4],
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[4,5,2],[2,5,6],[6,5,9],[9,5,4]
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],
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convexity=5);
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}
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}
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}
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module knurl_help()
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{
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echo();
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echo(" Knurled Surface Library v2 ");
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echo("");
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echo(" Modules: ");
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echo("");
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echo(" knurled_cyl(parameters... ); - Requires a value for each an every expected parameter (see bellow) ");
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echo("");
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echo(" knurl(); - Call to the previous module with a set of default parameters, ");
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echo(" values may be changed by adding 'parameter_name=value' i.e. knurl(s_smooth=40); ");
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echo("");
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echo(" Parameters, all of them in mm but the last one. ");
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echo("");
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echo(" k_cyl_hg - [ 12 ] ,, Height for the knurled cylinder ");
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echo(" k_cyl_od - [ 25 ] ,, Cylinder's Outer Diameter before applying the knurled surfacefinishing. ");
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echo(" knurl_wd - [ 3 ] ,, Knurl's Width. ");
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echo(" knurl_hg - [ 4 ] ,, Knurl's Height. ");
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echo(" knurl_dp - [ 1.5 ] ,, Knurl's Depth. ");
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echo(" e_smooth - [ 2 ] ,, Bevel's Height at the bottom and the top of the cylinder ");
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echo(" s_smooth - [ 0 ] ,, Knurl's Surface Smoothing : File donwn the top of the knurl this value, i.e. 40 will snooth it a 40%. ");
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echo("");
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}
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