Tunnel portals for N scale train tunnel entrance/exits.Opening size is 1.75wide x 1.875 high.Brick and arch capstone design.Single train portalFDM prints come out very good using a fine setting and slow.Suggest printing with PETG. Printing with PLA may be too brittle.No supports are needed.
STL (Stereolithography, filesize: 2.89 MB), OBJ (OBJ, filesize: 4.65 MB), PLY (Ply, filesize: 3.84 MB)