// Cyclone PCB Factory: a 3D printable CNC machine for PCB manufacture // Created by Carlosgs (http://carlosgs.es) // License: Attribution - Share Alike - Creative Commons (http://creativecommons.org/licenses/by-sa/3.0/) use <../libs/obiscad/bcube.scad> use <../libs/obiscad/bevel.scad> use <../libs/build_plate.scad> M8_rod_diam = 8.2; smooth_rod_margin = 1; smooth_rod_screw_sep = 8; smooth_rod_screw_diam = 3+1; smooth_rod_screw_len = 7; part_x = smooth_rod_screw_sep*3; part_y = 8; part_z = 6; //for display only, doesn't contribute to final object translate([frame_width/2,frame_height/2,0]) build_plate(3,110,140); translate([0,0,part_z/2]) difference() { // --------- Main frame --------- // bcube([part_x,part_y,part_z],center=true,cr=2,cres=10); // --------- Smooth Y rods --------- // rotate([90,0,0]) translate([0,part_z/2+smooth_rod_margin/2,0]) { cylinder(r=M8_rod_diam/2,h=part_y*2,center=true,$fn=40); // Screws rotate([90,0,0]) translate([0,0,0]) { translate([-smooth_rod_screw_sep,0,0]) cylinder(r=smooth_rod_screw_diam/2,h=10*part_z,center=true,$fn=30); translate([smooth_rod_screw_sep,0,0]) cylinder(r=smooth_rod_screw_diam/2,h=10*part_z,center=true,$fn=30); } } } // End of difference() command