About Me I’m Preetinder Grewal—a relentless 3-D-printing tinkerer, designer, and self-taught maker based in India. My workshop hums with two heavily-modified 3Ding Hydra printers (Pro 200 and Hydra 250) and now a Bambulab P1S a bench full of exotic filaments, and a growing archive of STL files. Over the last few years I’ve: • Logged 2,000+ print hours. • Built a small print-on-demand side hustle, pricing jobs with my own cost-calculator spreadsheets and delivering functional parts. My mantra: print, test, iterate—then print again.