Design available to download on Cults3d -Click Here
 
A budget‑friendly, fully 3D‑printable knee panel assembly for 737‑style home cockpits.
This STL‑only package includes all printable parts required to build the 737SS Knee Panel Assembly—perfect for builders who simply want to download, slice, and print without editing or CAD modification.
 
Designed for small print beds (220 × 220 mm) and assembled using brass inserts and screws, this knee panel combines structural strength, clean illumination, and a professional cockpit look at the lowest price point.
 
What’s Included
All STL files for:
Structural frame
GS/GPWS/AFDS/Blank panels
Mounting brackets
Functional knobs
Optimised part segmentation for small printers
Clean file structure ready for slicing
👉 This version does not include CAD or editable source files.
 
Features & Benefits
✔ Fully 3D‑Printable
Print every component at home—no CNC, resin casting, or special tools required.
✔ Small‑Bed Friendly
All parts are engineered to fit a 220×220 mm bed (Ender‑3 class printers), eliminating the need for oversized machines.
✔ Solid Structural Frame
The assembly uses brass heat‑set inserts and screws for a rigid, serviceable build with strong mounting points.
✔ Optional Lighting & Upgrades
 
Compatible with:
Laser‑engraved light‑flow faceplate upgrade (sold separately)
Korry 318 resin annunciator replica (sold separately)
Standard 12 V LED strip backlighting
PWM dimmer for smooth MIP light control
B10K (20 mm shaft) pots connected to a Leo Bodnar interface for screen brightness control
 
Recommended Electronics Setup
Panel/AFDS lighting: 12 V LED strip + 12 V PWM dimmer
Screen brightness (4× pots):
B10K potentiometers
20 mm shaft length
Connected to Leo Bodnar analogue inputs
 
Assembly & Build Support
Full step‑by‑step guide:
🔗 https://www.737diysim.com/build-guides-1/737ss-knee-panel
 
Upgrades available:
🔗 Laser‑engraved faceplate: https://www.737diysim.com/product-page/737ss-knee-panels
🔗 Korry 318 annunciator replica: https://www.737diysim.com/product-page/korry-318-annuciator-resin-replica
 
Printing Recommendations
Material: PLA+ ideal, PETG optional
Layer height: 0.16–0.24 mm
Infill: 20–35%
Walls: 3–4 perimeters for strength
Supports: Only as needed
Insert installation: Heat with soldering iron, seat square and flush
 
Context of Use
This STL package is ideal for:
MSFS / X‑Plane / P3D home cockpit builders
737SS ecosystem users
MIP section enhancement
Budget cockpit projects needing authentic‑looking controls without CAD editing
 
Limitations
No CAD or source files included
Fine fit may vary by printer calibration
Electronics, screws, inserts, and lighting not included
Not an aviation component; for simulator use only