Kossel MK2Y (220mm) heat bed clips

Clips to secure a 22cm diameter heat bed to the Kossel Mini's frame. 5mm lip holds the set up securely without getting too close to the effective heated area.

This hold a 19mm high "sandwich" comprising of (bottom up):

-- 3mm thick borosilicate glass (22cm dia.)
-- 11.5mm thick cork board (IKEA HEAT @ 20cm dia. - not sure of fire rating though)
-- 1.5mm MK2Y 200 heat bed
-- 3mm thick borosilicate glass (22cm dia.)

5mm clearance at the base allows elevation away from the electroni