slotwidth = 11.5;
backslotmid2screwhole = 17;
slotplugheight = 5.5;
-slotplugdepth = 10;
+slotplugshorterlen = 8;
+slotpluglongerlen = 18;
+
+slotslope = 11.0 / 18.5;
// "keepslot" refers to the screws in the wooden jig block
keepslotstartz = 20;
mainframeminy = mainframeholey - mainframeextrafront;
mainframemaxz = keepslotstartz + keepslotlen;
+slotslopediag = sqrt(1 + slotslope*slotslope);
+slotwidthx = slotwidth * slotslopediag;
+
+slotxperlen = slotslope / slotslopediag;
+slotyperlen = 1 / slotslopediag;
+
+echo(slotslope, slotslopediag, slotwidthx);
+
module MainFrame(){
for (m=[0,1]) {
mirror([m,0,0]) {
mirror([0,0,1])
linear_extrude(height=slotplugheight+1)
polygon([[0,0],
- [slotwidth * sqrt(2), 0],
- [slotplugdepth / sqrt(2) + slotwidth * sqrt(2),
- -slotplugdepth],
- [slotplugdepth / sqrt(2), -slotplugdepth]]);
+ [slotwidthx, 0],
+ [slotwidthx + slotplugshorterlen * slotxperlen,
+ -slotplugshorterlen * slotyperlen],
+ [slotpluglongerlen * slotxperlen,
+ -slotpluglongerlen * slotyperlen]]);
translate([-1,
-rearwallthick - boltholeslotshorter + 0.2,
tubedia + tubetubetopslop + tubetubethick + 4])