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Customizable Grass Sickle Blade - Parametric Display Model — image 1
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Customizable Grass Sickle Blade - Parametric Display Model

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Parametric grass sickle blade with mounting hub - display/education model with native TrueGeometry Playground recipe.

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Model information

Category
Tools
License
Creative Commons — Attribution — Noncommercial

A customizable grass sickle blade with a bolt-on mounting hub, built as a fully parametric display and education model with native TrueGeometry Playground commands - no booleans, no unions, no custom code. Swap one preset block in the recipe and the whole model resizes (small / standard / large included).

Safety: this is a display and education model. Printed plastic will not cut. Never mount a printed blade on a brush cutter, trimmer, or any powered or hand tool.

Included files: sickle_assembly.stl (complete model, print this one), blade.stl and hub.stl (separate parts), sickle_recipe.txt (the full Playground recipe with all three presets), Sickle_Playground_Guide.pdf (how to run and customize the recipe, with a marked UI map).

Resize it yourself: open the free TrueGeometry Playground, paste one preset block from sickle_recipe.txt, press Run, export STL. Full step-by-step write-up with pictures: blog article and the TrueGeometry Playground.

Released under CC BY-NC 4.0. Commercial use requires consent from TrueGeometry. Designed with the TrueGeometry Playground AI assistant (AI-assisted design, human-directed).

Not test-printed yet - if you build one, please post a Make!