Formlabs Fuse 1+ 30W · nylon 12 powder, five parts nested in one build, 110 µm per layer
Step 1 of 4
Lower
Scan path · layer 1
outline hatch fill grey: still to scan
Galvo scanner
mirror 1 moves the spot in y mirror 2 moves the spot in x
Sources
What the animation is based on. Machine geometry follows Formlabs’ published specs and the Fuse 1 manual, simplified. Laser speeds, powers and the scan order are illustrative; Formlabs does not publish its process settings.
Formlabs. Fuse 1 user manual. PDFRemovable build chamber with a piston print bed; powder troughs with flippers on both sides of the bed; a roller spreads each layer; an IR sensor reads the bed temperature.
Formlabs. Selective laser sintering: the complete guide. formlabs.comWhy the powder cake supports the parts (no support structures), and why builds cool inside the printer.
C. R. Deckard (1989). Method and apparatus for producing parts by selective sintering. US Patent 4,863,538. Google PatentsThe original SLS patent (University of Texas at Austin).
ISO/ASTM 52900:2021. Additive manufacturing — General principles — Fundamentals and vocabulary. iso.orgSLS belongs to the process category “powder bed fusion”.
I. Gibson, D. Rosen, B. Stucker, M. Khorasani (2021). Additive Manufacturing Technologies, 3rd ed. Springer. doi:10.1007/978-3-030-56127-7Textbook chapter on powder bed fusion, including scan strategies (contour + hatch).
R. D. Goodridge, C. J. Tuck, R. J. M. Hague (2012). Laser sintering of polyamides and other polymers. Progress in Materials Science 57(2), 229–267. doi:10.1016/j.pmatsci.2011.04.001Review of polymer laser sintering: why the bed is held just below the melting point.
M. Livesu, S. Ellero, J. Martínez, S. Lefebvre, M. Attene (2017). From 3D models to 3D prints: an overview of the processing pipeline. Computer Graphics Forum 36(2), 537–564. doi:10.1111/cgf.13147Slicing and scan-path generation, the computational side of the process.