This system provides accurate cost analysis and pricing for 3D printing and other craft-based products by automatically calculating the true production costs, including filament, labor, electricity, machine depreciation, packaging, and marketplace fees. It features seamless G-code file processing to instantly generate pricing breakdowns, customizable catalogs with per-shop pricing adjustments, print queue management with failure rate tracking, and user dashboards that display both hobbyist costs and seller profits, thereby solving problems related to accurate cost estimation, pricing strategy, and profitability analysis. Geared toward individual hobbyists, small business sellers, and makers, it helps users optimize their pricing models, improve profit margins, and ensure competitive yet profitable sales across multiple online marketplaces.