Real, usable tools we build in the open. Proof of the engineering, math, and product thinking behind 3E Studios.
Multi-function grapher with live parameters, derivative overlays, pan and zoom.
Open →US take-home pay: 2025 federal brackets, FICA, deductions, effective vs marginal.
Open →Drop stops and watch an optimized delivery route form (nearest-neighbour + 2-opt).
Open →Ask questions of your own document with in-browser retrieval (the foundation of RAG).
Open →Turn goals into a tight brief and sitemap.
Open →Control shapes, materials, lighting; export a figure.
Open →Upload, extract a palette, export a board.
Open →Lock key dates and ship an .ics.
Open →Monochrome studies. Generate and download.
Open →