Available to download on Cults3d - Click Here
 
3D‑Printable Files Only — No CAD, No Electronics, No Physical Parts
This listing offers the cheaper, STL‑only version of our popular 737 Chrono/Clock. It’s perfect for builders who simply want to download, slice, and print, without needing the editable CAD source files or advanced modelling tools.
 
Designed to be easy to print, easy to assemble, and compatible with both versions of the official 737DIYSIM PCB, this model delivers a realistic, functional 737‑style chronograph/clock suitable for home cockpits, desktop displays, or DIY electronics projects.
 
Youtube: https://youtu.be/u70eVZwZqOs?si=GkXvjMnlkWR4BUGZ
⭐ What You’re Getting (STL‑Only)

This package includes:
All STL files required to 3D‑print the complete 737 Chrono/Clock housing
Optimised geometries for standard FDM printers
Parts designed for easy wiring access and maintenance
Faceplate and decal structures prepared for clean backlighting
A proven design used by hundreds of builders worldwide
 
This version DOES NOT include:
• CAD source files
• Electronics
• PCB
• Screws, LEDs, and analogue needle mechanism
• Resin faceplate
• Any physical components
Digital download only.
 
✈️ About the Design
This version is derived from our highly‑rated full Chrono/Clock kit, but curated specifically for users who want the most affordable entry point while still enjoying full 737‑style functionality when paired with the correct electronics.
The model features:
7 tactile push buttons
Digital LED displays (common‑cathode 0.36" compatible)
Analogue needle indicator
Modular internal structure for maintenance
Well‑designed cable routing channels
Backlight‑ready panel geometry
Builders often use this as part of a full 737 home cockpit, but many also print it simply as a stylish aviation desk clock.
 
🧰 Required Electronics (Not Included)
To complete the working clock, you will need:
Choose ONE of the official PCBs:
Bare Through‑Hole PCB (budget & DIY‑friendly)
➜ https://www.737diysim.com/product-page/737-chrono-clock-decal-plate
Prebuilt SMD PCB (premium soft‑press buttons)
➜ https://www.737diysim.com/product-page/737-chrono-clock-decal-plate
 
Other components:
Arduino (per build guide)
4‑digit 0.36" common‑cathode LED displays
Analogue needle movement
LEDs for backlighting
Wiring & connectors
Screws and hardware (as listed in the build guide)
3D printing settings
 
Build guide:
➜ https://www.737diysim.com/build-guides-1/737ss-chrono
🖨️ Printing Notes
Designed for FDM printers
PLA is recommended for dimensional stability
Standard 0.2 mm layer height works well
No unusual supports required (see guide)
Backlit parts may benefit from light‑blocking paint