Both hides are variations of two I have seen here: https://www.thingiverse.com/thing:2368324 and here: https://www.thingiverse.com/thing:2161750
The log is a smaller more basic variation to lower the print time, and the box hide is shorter. I printed both of these with young corn snakes in mind, but the purple hide's holes are wide enough to accommodate an adult corn snake. The inside floor of the box hide is 95mmx75mm and the round log hide is 135mmx75mm. I printed both with atleast 20% infill but you could probably get away with less. One thing to note, it is recommended to coat these with a layer of polyurethane (spray can from Lowes) just to be on the safe side. I also sanded the edges to prevent sharpness. Box hide probably does not need a brim due to large flat surface, but round hide is probably safest if some adhesion is used.