Voxel

What it is

Voxel is a multi-tenant SaaS for small production studios: 3D printing first, but the domain vocabulary adapts per vertical, so the same operations UI fits sublimation, laser cutting, porcelain, and other made-to-order shops. Each studio gets a cost-based product catalog, inventory, a production queue across its machines, orders, and billing.

The interesting engineering

Stock is ledger-based: balances are derived from receipts and usage, never mutated directly, with printable QR labels connecting physical material to its ledger entries. The cost engine combines materials, bill of materials, machine time, labor, and waste, and the production queue's measured failure rate feeds back into costing so prices reflect reality. Multi-tenancy is shared-schema with strict per-request tenant isolation, resolved from custom domains or subdomains.

Built for a real market

Voxel targets studios in Colombia, so it takes local compliance seriously: billing follows the path from cuenta de cobro to DIAN electronic invoicing, and customers get official WhatsApp notifications. It is built with Django, HTMX, and Tailwind, runs on PostgreSQL, Redis, and Celery, and is being prepared for deployment and its first paying studios.