// https://gitorious.org/ozzloy/challenge-bot
// https://github.com/waynegramlich/challenge-bot
-// 3/8 inch in mm
-deck_depth = 4.7625;
+$fn = 60;
+
+// 3/16 inch in mm deck_depth = 4.7625;
+// 1/4 inch in mm - a little to be a squeeze fit
+deck_depth = 6.35 - 0.4;
sonar_plate_width = 20;
sonar_plate_length = 45;
// sonar sensor measurements taken with calipers: