Circlean/doc/Mechanical_design/myRaspiBp_Button.scad

46 lines
1.0 KiB
OpenSCAD
Raw Normal View History

// raspberry pi model b+ case top button
//
// v 1.2 - 06/02/2015 - initial release (MD)
//
// parameters
$fn = 50 ;
// parameters copied from myRaspiBp.scad
cover_inside_t = 2.00 ; // box cover material thickess
clearance_z = 2.00 ; // clearance on Z axis for daughter board
Btn_r = 4.00 ; // push button radius
foot_z = 2.00 ; // foot thickness
// specific parameters
Btn_protrusion = 2.00 ;
Btn_foot_r_extension = 1.50 ;
Btn_top_rounding = 8 ;
// derived parameters
z_size = cover_inside_t + clearance_z + Btn_protrusion ; // button z dimension
foot_r = Btn_r + Btn_foot_r_extension ; // button foot radius
// modules
include <shapes.scad>
// create device
union() {
cylinder(h= foot_z, r= foot_r) ;
difference() {
translate([0, 0, z_size - Btn_top_rounding])
intersection() {
cylinder(h = Btn_top_rounding, r = Btn_r) ;
halfsphere (Btn_top_rounding) ;
}
translate([0, 0, -foot_r/2])
cube( size = [2*foot_r, 2*foot_r, foot_r], center=true) ;
}
}
// --- end of file ---