Cyclone Vacuum Dust Separator with Built-in Pressure Relief Valve

Need a custom adapter for your cyclone separator? Comment the required inlet and outlet dimensions and I’ll make and upload it for you.

This 3D-printable cyclone separator efficiently removes dust and debris from your vacuum system — while the integrated pressure relief valve prevents your bucket from collapsing under suction.

🧰 Why You’ll Want This

• Stops dust and chips before they reach your shop vacuum.

• Built-in pressure valve automatically releases air if the bucket starts to deform.

• Compact design with smooth internal airflow for strong suction and less clogging.

• Compatible with Karcher

• Prints fast — only 5 files, no supports needed.

🔍 Ideal For

Makers, woodworkers, CNC owners, 3D print labs, and anyone who needs a reliable DIY dust collector system.

⚙ Needed equipment:

• Karcher WD3

• Karcher suction hose extension 3,5m

• 10x M5x15 Cross head screws DIN 7985 (alt. DIN 912)

• 10x M5 Hexagon nuts DIN 934

• Any container with min lid size pi200mm

Pressure relief valve

• Screw M3x30 DIN 912

• Nut M3 DIN 982

• Spring (height 25mm)