Manufacturing notes from WenCNC on CNC machining, sheet metal design, materials and surface finishing.https://wencnc.com/en-ushttps://wencnc.com/blog/specifying-cnc-tolerances/https://wencnc.com/blog/specifying-cnc-tolerances/Tightening a tolerance can multiply the cost of a machined part. Here is how to decide which dimensions actually need control, and which ones do not.Thu, 18 Jun 2026 00:00:00 GMTDesignCNC machiningCostWenCNC Engineeringhttps://wencnc.com/blog/anodizing-vs-powder-coating/https://wencnc.com/blog/anodizing-vs-powder-coating/Both finishes protect aluminium, but they behave differently in colour, wear, masking and cost. A practical comparison for product teams.Sat, 09 May 2026 00:00:00 GMTFinishingAnodizingPowder coatingWenCNC Engineeringhttps://wencnc.com/blog/sheet-metal-design-rules/https://wencnc.com/blog/sheet-metal-design-rules/Bend radii, hole placement, reliefs and tolerances: the details that decide whether a sheet metal part forms cleanly the first time.Thu, 02 Apr 2026 00:00:00 GMTDesignSheet metalFabricationWenCNC Engineering