
Tutorials
How to 3D Print Overhangs Without Supports
Why FDM overhangs sag, what the 45° rule really measures, how bridges work, and the design and slicer changes that let you print without supports.
PrototypeBD·Oct 22, 2026·12 min read
The PrototypeBD Blog
Tagged “architectural-models” · clear

Why FDM overhangs sag, what the 45° rule really measures, how bridges work, and the design and slicer changes that let you print without supports.

How to plan a 3D-printed architectural model in Bangladesh: when printing beats hand-making, which scale works, how thin walls can be, how big one piece can be, and what to send.

Thesis and jury models PrototypeBD printed from 2023 to 2025: the scales students used, site vs building models, section and split models, and how to prepare your file.

What PrototypeBD's 2024–2025 tower prints show about making a high-rise architectural model: scale versus height, the 400 mm part limit, where to split a tower and how to prepare the file.