Customizable Compressor Blade on Display Stand - NACA Aerofoil Presets (Educational)
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Parametric compressor blade on a stand: NACA 2412/4412/0012 presets, span, pitch and twist in TrueGeometry Playground.
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Updated at source:
Model information
- Source
- Printables
- Category
- Other 3D Objects for Learning
- License
- Creative Commons — Attribution — Noncommercial
Heads-up, honestly: this is an untested print. The blade root is embedded 1 mm into the stand base on purpose (overlapping shells, no boolean union), so slice it as one piece and check your slicer preview. No interference check has been run beyond that deliberate overlap. If you print it, please post a Make, it genuinely helps.
WHAT IT IS
A single compressor blade on a display stand: a twisted, tapered NACA aerofoil blade (root chord 15 mm to tip chord 8 mm, 60 mm span, 25 deg pitch, -10 deg twist) on a round base, built natively in TrueGeometry Playground with /aerofoil blade and /parametric cylinder.
CUSTOMIZE IT
The recipe is variable-first. Change the /set_var lines and rerun:
NACA 2412/4412/0012, SPAN 40/60/80 mm, TWIST 0/-10/-20 deg, plus chord and pitch.
The full how-to is in the attached PDF guide, the recipe file is attached, and the same commands are below.
FULL TRUEGEOMETRY PLAYGROUND RECIPE
// #4 SINGLE COMPRESSOR BLADE ON STAND - NACA presets 2412/4412/0012
// Presets: SPAN 40/60/80, TWIST 0/-10/-20
/set_var NACA 2412
/set_var CHORDR 15
/set_var CHORDT 8
/set_var SPAN 60
/set_var PITCH 25
/set_var TWIST -10
/aerofoil blade $NACA $CHORDR $CHORDT $SPAN $PITCH $TWIST
/tag_last Blade
/parametric cylinder 20 20 6
/tag_last Stand
/move @Stand 0 -3 0
/move @Blade 0 -1 0
HOW TO RUN
Open Playground (link below), Cancel the agent popup, open the Script panel in the bottom toolbar, paste, Run. Detailed steps with markers in the attached guide PDF.
FILES
4_blade_stand_assembly.stl - blade on stand, one piece (main file)
4_blade.stl - the blade alone
4_stand.stl - the stand alone
recipe txt - the commands above
guide PDF - how to run and customize in Playground
LINKS
Build it yourself in TrueGeometry Playground: https://www.truegeometry.com/CoreWebGLTG/KBEAgentHTTP.html
Full article with presets, tables and FAQs: https://blog.truegeometry.com/0_0_0_0/blogs/post-4fd66ce0.html
Part of a 5-model jet engine family: turbojet, turbofan, turboprop, desktop wind turbine.
License: CC BY-NC 4.0. Free for students, teachers and makers to print and learn from; commercial use needs TrueGeometry's consent.
Made with AI assistance (disclosed honestly). Images are live Playground captures; the preset card is a render of the recipe lines.