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2 layers65 × 56.5 mmOctoProxy, the printed circuit board in 3D

A Raspberry Pi based OctoPrint Server to act as a proxy for remote access of Bambu Lab Printers.

Size
65 × 56.5 mm
Copper layers
2
Thickness
1.6 mm
Parts
16
Nets
32
Pads
127
Tracks, vias
232, 35
Pours
2
Routed
Yes
KiCad
KiCad 9.0 (file 20241229)
Created
23 Feb 2026
Updated
5 Mar 2026

Overview

OctoProxy is an open-source printed circuit board by Aahil78, from the Aahil78/OctoProxy repository on GitHub, published under the GPL-3.0 licence. It is a 2-layer board of 65 × 56.5 mm with 16 parts on 32 nets, routed with 232 tracks and 35 vias.

Its parts include 11 connectors and 1 resistor. It belongs with the computers and single-board computers boards of this library.

README

README.md

OctoProxy

OctoProxy is a raspberry pi based OctoPrint server for the Bambu Lab A1, it acts as a proxy for region locked and LAN Only mode printers to have remote monitoring and access. It also has a Tailscale VPN server to trick Bambu Studio to think you are on your LAN when you arent, this will allow you to send prints from Bambu Studio to any LAN Only printer from anywhere in the world. You can also use it as a printago fuse or simplyprint server.

Features:

  • Runs OctoPrint allowing you to send prints from anywhere.
  • Uses a Raspberry Pi 4 as the SBC, allowing for upgrades like sensors, lights, software upgrades, and more.
  • WS2812B/SK6812 3 Pin connector for custom lights.
  • Has a CSI Camera, allowing better timelapses and better video streaming footage. We all know the A1 Camera is..... special.
  • GPIO Pins broken out for upgrades.

Images

PCB:

image image

Case:

image image image image (Top has magnets embedded)

Schematic:

image image

BOM:

Item:Quantity:Price:Link:Total Cost:
Raspberry Pi 4 (Already have it)1$0N/A
Raspberry Pi 4 Camera1$23.08Camera
PCB1$15.78
Raspberry Pi Fan1$4.35Fan
Standoffs & Screws1 kit$10Screws and standoffs
3 Pin Female Header3$2.503 Pin Header
4 Pin Female Header2$2.724 Pin Header
7 Pin Female Header1$3.107 Pin Header
6 Pin Female Header2$2.956 Pin Header
2 Pin Male Header1$1.002 Pin Header
1 Pin Header1$11 Pin Header
330ohm Resistor1$1.47Resistor
40Pin SMT Connector1$4.77SMT Connector
WS2812B LED Strip1$6.46LED Strip
79.18 (Will pay extra myself)

Parts

16
QtyValueFootprintReferences
4MountingHole_2.7mm_M2.5MountingHole:MountingHole_2.7mm_M2.5MH1, MH2, MH3, MH4
3Conn_01x03_PinConnector_Harwin:Harwin_M20-89003xx_1x03_P2.54mm_HorizontalJ2, J6, J11
2Conn_01x04_PinConnector_Harwin:Harwin_M20-89004xx_1x04_P2.54mm_HorizontalJ3, J10
2Conn_01x06_PinConnector_Harwin:Harwin_M20-89006xx_1x06_P2.54mm_HorizontalJ7, J8
1330ohmResistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_HorizontalR3
1Conn_01x01_PinConnector_PinHeader_2.54mm:PinHeader_1x01_P2.54mm_HorizontalJ9
1Conn_01x02_PinConnector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_HorizontalJ5
1Conn_01x07_PinConnector_Harwin:Harwin_M20-89007xx_1x07_P2.54mm_HorizontalJ4
1GPIOPCM_SparkFun-Connector:Raspberry_Pi_Shield_Bottom_Entry_No_Mounting_HolesJ1

Questions

How big is the OctoProxy PCB?

It measures 65 × 56.5 mm and has 2 copper layers, 1.6 mm thick.

What parts does the OctoProxy use?

16 parts. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.

Where can I download the OctoProxy KiCad files?

From the Aahil78/OctoProxy repository on GitHub, at the commit this page was made from: the board is src/OctoProxy.kicad_pcb and its schematic src/OctoProxy.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the OctoProxy design in my own project?

Its repository publishes it under the GPL-3.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).

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