I can recommend the safest tool that fits your manufacturing workflow perfectly. Share public link
An automated high-efficiency nesting engine that packs pattern pieces tightly onto fabric.
For more information on Gemini CAD X9 and Keygen 36, check out the following resources:
For independent designers on a strict budget, open-source apparel pattern design tools like Valentina or Seamly2D offer robust features without security risks or licensing fees.