Carrier Slab Generator
Adjust the sliders below to generate a custom-sized carrier slab for your concrete obstacle. Click Generate STL when you are ready to print! Dowel Types Explained Flush: No dowels. Use this if you are using sticky-tack. Stubby (Standard): 1/4-inch dowels designed to drop into Klackfinity pre-poured blocks. Arrested: Taller dowels with a wider top cap, designed to be permanently cast inside the concrete as you pour it.