I used the Provisional Press kit to build a wooden tabletop letterpress printing press:

Photo of a kitchen table covered with neatly arranged pieces of a to-be-assembled tabletop letterpress roller printing press. The pieces are mostly wood slats, plus a large PVC-pipe tube, clamps, glue, small metal hardware, and a long thick metal bolt

Photo of a Provisional Press tabletop showcard letterpress, made of light-colored wood, PVC pipe, and metal, roughly the size of 3 shoeboxes

Photo of Provisional Press letterpress calibration block, a .918” nearly-a-cube of light-colored maple wood with that information laser burnt into its side, sitting on a table. In the background, a white dog with long legs lounges on a full-moon-shaped rug and looks on expectantly.