add a chamfer to the frame mount columns

should add a bit of structural strength without compromising much

src/bottom-panel-inset.scad

@@ -6,8 +6,8 @@
 include <parameters.scad>
 include <components.scad>
 
-module inset_bottom_panel() {
-	bottom_panel();
+module bottom_panel() {
+	mirror([0, 0, 1]) panel();
 }
 
-inset_bottom_panel();
+bottom_panel();

src/components.scad

@@ -166,16 +166,6 @@ module base_panel() {
 	cube([panel_x, panel_y, panel_z], center=true);
 }
 
-module base_bottom_panel() {
-	difference() {
-		base_panel();
-		translate([0, panel_y/2, panel_z]) rotate([45, 0, 0]) cube([panel_x+0.01, 10, 10], center=true);
-		translate([0, -panel_y/2, panel_z]) rotate([315, 0, 0]) cube([panel_x+0.01, 10, 10], center=true);
-		translate([panel_x/2, 0, panel_z]) rotate([0, 45, 0]) cube([10, panel_y+0.01, 10], center=true);
-		translate([-panel_x/2, 0, panel_z]) rotate([0, 315, 0]) cube([10, panel_y+0.01, 10], center=true);
-	}
-}
-
 module panel() {
 	difference() {
 		base_panel();
@@ -183,13 +173,6 @@ module panel() {
 	}
 }
 
-module bottom_panel() {
-	difference() {
-		base_bottom_panel();
-		mirror([0, 0, 1]) panel_holes();
-	}
-}
-
 module overhang_plate() {
 	roundedcube([overhang_panel_x, overhang_panel_y, panel_z], center=true, radius=1);
 }
@@ -221,13 +204,7 @@ module panel_with_raised_overhang() {
 
 module frame_box() {
 	difference() {
-		points = [ [(frame_x/2)-3, (frame_y/2)-3, 0], [-(frame_x/2)+3, (frame_y/2)-3, 0],
-			[(frame_x/2)-3, -(frame_y/2)+3, 0], [-(frame_x/2)+3, -(frame_y/2)+3, 0] ];
-		hull() {
-			for (p = points) {
-				translate(p) cylinder(r=3, h=frame_z, center=true);
-			}
-		}
+		roundedcube([frame_x, frame_y, frame_z], center=true, radius=3);
 		// cut out the middle to make it a box
 		cube([panel_x-(panel_support_width*2), panel_y-(panel_support_width*2), frame_z+5], center=true);
 	}
@@ -273,14 +250,11 @@ module frame() {
 	difference() {
 		base_frame();
 		translate([0, 0, frame_z/2]) scale([1, 1, 2]) base_panel();
-		translate([0, 0, -frame_z/2]) scale([1, 1, 2]) base_bottom_panel();
+		translate([0, 0, -frame_z/2]) scale([1, 1, 2]) base_panel();
 		translate([panel_to_frame_point_x, panel_to_frame_point_y, 0]) frame_hex_bolt_hole();
 		translate([-panel_to_frame_point_x, panel_to_frame_point_y, 0]) frame_hex_bolt_hole();
 		translate([panel_to_frame_point_x, -panel_to_frame_point_y, 0]) frame_hex_bolt_hole();
 		translate([-panel_to_frame_point_x, -panel_to_frame_point_y, 0]) frame_hex_bolt_hole();
-
-		// comfort bevel
-		translate([0, -frame_y/2, frame_z/2]) rotate([45, 0, 0]) cube([frame_x+0.01, 4, 4], center=true);
 	}
 }