X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=reprap-play.git;a=blobdiff_plain;f=maglite-holder.scad;h=9aed425a551bf5688ae807ccd50e51cda351a17b;hp=9804fb020085a469a2daf23f3f2030b15b867de7;hb=b827aa24397af374e46f228e15b9f0584e970c95;hpb=34410d3c9acc73b73fcdb2b9a1ded7889b134752 diff --git a/maglite-holder.scad b/maglite-holder.scad index 9804fb0..9aed425 100644 --- a/maglite-holder.scad +++ b/maglite-holder.scad @@ -13,18 +13,40 @@ torch_clear_below = 10; stem_width = 20; stem_thick = 8; -torch_recess = 14; +torch_recess = 11; arm_width = 10; block_thick = 15; torch_out_more = 10; -brace = [ 40, 10, 20 ]; +brace = [ 40, 20, 20 ]; + +hole_dia = 4 + 0.5; +hole_slot = 5; + +movement_extra_angle = 5; + +slop = 4; // total, not each side + +torch_min_xcoord_fig_cm = -2.7; // coordinates of bottom left of curve +torch_min_ycoord_fig_cm = -5.9; // & big part in fig file. mid top is origin +torch_smm_xcoord_fig_cm = -1.9; // x coord of lhs of narrow part + +miniature = 1; // can adjust this to get commitid size right and rescale *Print $fa=5; // calculated +include + +torch_dxf_scale = + [ (torch_big_dia - torch_lit_dia) / + (-(torch_min_xcoord_fig_cm - torch_smm_xcoord_fig_cm) * 10 * 2), + torch_big_len / (-torch_min_ycoord_fig_cm * 10) ]; + +echo(torch_dxf_scale); + above = torch_big_len + torch_clear + torch_clear_below; holes = [ 172, 265 ]; @@ -39,11 +61,14 @@ block_width = arm_width*2 + torch_big_dia; block_out = torch_out + torch_big_dia/2/sqrt(2); -module Torch(){ +module TorchOrig(){ mirror([0,0,1]){ hull(){ rotate_extrude() + translate([-torch_lit_dia/2, 0]) + scale(torch_dxf_scale) translate(dxf_off) + translate([-torch_smm_xcoord_fig_cm * 10, 0]) import(file="maglite-holder-torch-curve.dxf", convexity=10, center=true); } @@ -52,17 +77,43 @@ module Torch(){ } } +module Torch(){ + scale(slop/torch_lit_dia + 1.0) + TorchOrig(); +} + +module ScrewHole(y, rot) { + translate([0,0, above -y]){ + rotate([0,rot,0]){ + hull(){ + for (d= [-1,+1] * hole_slot/2) { + translate([d,0,0]) + rotate([90,0,0]) + translate([0,0,-stem_thick*2]) + cylinder(r= hole_dia/2, h= stem_thick*4); + } + } + } + } +} + module TorchMovement(){ translate([0, -torch_out, 0]) { translate([0, 0, -torch_recess]) Torch(); - rotate([90,0,0]) - linear_extrude(height= block_out) - projection() rotate([-90,0,0]) Torch(); + for (as=[-1,+1]) { + rotate([0,0, as*movement_extra_angle]) + rotate([90,0,0]) + linear_extrude(height= block_out) + projection() rotate([-90,0,0]) Torch(); + } } } -module Bracket(){ +module Bracket(){ ////toplevel + cid_w = stem_width * .75; + hole_near = hole_slot + hole_dia; + difference(){ mirror([0,1,0]) { translate([-stem_width/2, 0, -stem_len]) @@ -74,6 +125,13 @@ module Bracket(){ cube([brace[0], brace[1], 1]); } } + ScrewHole(holes[0], 90); + ScrewHole(holes[1], 0); + translate([-cid_w/2, 0, above - holes[0] - hole_near]) + rotate([-90,0,0]) + scale([miniature, miniature, 1]) + Commitid_BestCount([cid_w, holes[1]-holes[0] - hole_near*2] + / miniature); } difference(){ mirror([0,1,0]) @@ -83,11 +141,33 @@ module Bracket(){ } } -module Demo(){ - translate([0, -torch_out, 0]) - %Torch(); - Bracket(); +module BracketPrint(){ ////toplevel + scale(1/miniature) + rotate([-90,0,0]) + Bracket(); } -Demo(); +module TestTorchPrint(){ ////toplevel + scale(1/miniature) + intersection(){ + translate([0,0, torch_lit_dia / 2 / sqrt(2)]) + rotate([-90,0,0]) + Torch(); + translate([-100, -torch_tot_len*2, 0]) + cube([200, torch_tot_len*4, 200]); + } +} + +module Demo(){ ////toplevel + color("red") + translate([0, -torch_out, 0]) + TorchOrig(); + color("blue") + translate([0, -torch_out, above]) + cylinder(r=torch_big_dia/2, h=1); + Bracket(); +} +//Demo(); +//BracketPrint(); +//TestTorchPrint();