+module foot_riser_against_wall(foot_radius, extra_height) {
+ foot_surround_height = 25;
+ outer_radius = foot_radius + wall_thickness;
+ flange_radius = outer_radius + foot_radius * 2;
+ flange_height = foot_radius / 2;
+ // raise the foot
+ linear_extrude(height = extra_height) {
+ circle(foot_radius); }
+ // surround the foot so it stays on riser
+ linear_extrude(height = extra_height + foot_surround_height) {
+ ring_2d(foot_radius, outer_radius); }
+ // put a flange at the bottom of the foot for stability
+ linear_extrude(height = flange_height) {
+ difference() {
+ ring_2d(outer_radius, flange_radius);
+ translate([outer_radius + flange_radius + 1, 0]) {
+ square(flange_radius * 2, center=true); } } } }
+