This tree stand has been designed to fit an artificial 5ft pencil tree. The opening measures as 4.25" across, 8.75" deep and the total model is about 24.5" wide and 10.5 inches tall once fully assembled. The bolt holes are designed for 3/8" diameter bolts. The legs will require some glue for the best performance however may not be needed in some situations. This design uses approximately 1.75 rolls of filament with the 4 wall thickness included in the 3mf. Don't use supports.