bayo_interf_width = 2.0;
bayo_interf_slope = 0.75;
-seal_thick = 0.1;
seal_recess = [ 2.0, 2.0 ]; // recess depth, recess height
+oring_thick = 5.0;
+oring_bore = 62.0;
+
+oring_upper_embed_angle = 45;
+oring_compress = 0.1; // proportion
+
side_taper = 1.0;
bayo_above_gap = 1.0;
bayo_inramp_x = bayo_entry;
bayo_inramp_z = bayo_entry;
+oring_mid_dia = oring_bore + oring_thick;
+oring_outer_dia = oring_mid_dia + oring_thick;
+
+seal_thick = (1 - oring_compress) * oring_thick/2
+ * (1 + cos(oring_upper_embed_angle));
+
side_height = rivet_posn + bayo_behind + rivet_thick/2;
side_thick = rivet_tall + over_rivet_wall;