+ for (yshift=[-1,1])
+ translate([0, yshift * frontbackslop, 0])
+ DoKnives();
+ }
+}
+
+module BlockPrint(){ ////toplevel
+ rotate([0,0,90])
+ Block();
+}
+
+module CoverTemplate(){
+ linear_extrude(height=coverthick)
+ polygon([[minx, 0],
+ [maxx, 0],
+ [maxx, coverlonglen],
+ [maxx - coverside, coverlonglen],
+ [minx, covershortlen]]);
+}
+
+module CoverSide(xpos, len){
+ translate([xpos, 0 ,0]) {
+ rotate([90,0,90])
+ linear_extrude(height=coverside)
+ polygon([[0, 0],
+ [0, totaldepth],
+ [covertopwing, totaldepth],
+ [covertopwingbase, coverside + coverthick],
+ [len - covertopwingbase, coverside + coverthick],
+ [len - covertopwing, totaldepth],
+ [len, totaldepth],
+ [len, 0]]);
+ }
+}
+
+module PegTemplate(){
+ for (mx=[0,1]) for (my=[0,1]) {
+ mirror([mx,0,0]) mirror([0,my,0])
+ polygon([[-0.1, -0.1],
+ [pegstem/2, -0.1],
+ [pegstem/2, pegstemheight/2],
+ [peghead/2, pegheight /2],
+ [-0.1, pegheight /2]]);
+ }
+}
+
+module Peg(){
+ echo("peg angle slope (must be <1)",
+ (peghead-pegstem)/(pegheight-pegstemheight));
+ d = pegslop;
+ rotate([90,0,0]) {
+ linear_extrude(height=peglen) {
+ intersection(){
+ translate([-d,-d,0]) PegTemplate();
+ translate([-d,+d,0]) PegTemplate();
+ translate([+d,+d,0]) PegTemplate();
+ translate([+d,-d,0]) PegTemplate();
+ }
+ }