opening_height = 7.84 - 0.3 + 0.60;
opening_depth = 6.0; // 7.88;
openingcnr_dia = 2.75;
-opening_topprotr = 1.54;
+opening_topprotr = 1.54 + 0.2;
gap = 0.25;
retain_rad = 1.65;
-retain_protr = 0.35;
+retain_protr = 0.25;
retain_hgap_adjust = 1.5;
retain_stalk_len = 8.0;
peg_inner_thick = 1.0;
peg_wedge_less = 1.0;
-peg_wedge_more = 1.0;
+peg_wedge_more = 2.0;
+peg_len = 16;
// calculated
retain1_len = retain_len + retain_stalk_len;
retain1_base = total_len - retain1_len;
-peg_len = retain_len;
-
module InsertSection(){
hull(){
translate([-ins_irad, -ins_irad])