Everything You Need to Design Moldable Parts
Each guide includes design rules, common mistakes, and material-specific recommendations.
Wall Thickness & Uniformity
Recommended wall thickness for HTV silicone, LSR, and rubber compounds. How to avoid sink marks, warpage, and incomplete fill.
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Draft Angle Guidelines
How much draft do you need for silicone vs rubber? Textured surfaces, deep ribs, and minimum draft rules.
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Undercut Handling Methods
Side actions, collapsible cores, tear-tab design, and when to redesign to eliminate undercuts in silicone molding.
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Parting Line Placement
Where to place the parting line for best appearance and function. Flash management and cosmetic surface considerations.
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Shrinkage & Tolerance
Silicone shrinkage rates by material. How to set realistic tolerances (SP-1 through SP-5) and avoid post-mold sizing issues.
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Good DFM = Lower Cost & Faster Time-to-Market
DFM Feedback Included with Every Quote
You don’t need to read all 5 guides before contacting us. Upload your drawing and our engineering team will provide DFM feedback as part of your quote — at no extra cost.