PVC 4 Way Cross Connector (All Sizes)

This is a 3 Way Corner for Schedule 40 PVC pipe. It has a friction-fit socket that maintains a strong hold on the pipe under normal use. It may also be glued for a permanent fit that will hold up to just about anything. It is designed with a corner gusset that helps support the elbow if any loads are applied to its members.

This connector is part of the Mattformed Structural PVC Framework, my complete collection of 3D-printable parts for building with PVC pipe. All parts are designed to be strong, easy to assembly, and easy to print with minimal supports. This collection started with the idea of building a super cool fort for my 4 year old son. 

Sizes Included

This model page includes models for all common Schedule 40 (Sch 40) pipe sizes. Each size is separated into it's own print profile with a single build plate.

• 0.50in (for 1/2" Sch 40 Pipe - 0.840" OD / 21.34mm)
• 0.75in (for 3/4" Sch 40 Pipe - 1.050" OD / 26.67mm)
• 1.00in (for 1" Sch 40 Pipe - 1.315" OD / 33.40mm)
• 1.25in (for 1-1/4" Sch 40 Pipe - 1.660" OD / 42.16mm)
• 1.50in (for 1-1/2" Sch 40 Pipe - 1.900" OD / 48.26mm)

Assembly guide & Dimensional Drawings

Please check out the assembly guide and dimensional drawings to help assist with your design! I've included a snippet of the dimensional drawing below:

Materials

Almost all materials will work. The parts in this collection were designed and tested for use with PETG, which provides good flexibility and weather/water resistance. Different applications may call for different materials, and you can choose just about whatever you'd like for this system.

Complete PVC Connector Library

Find my growing collection of PVC pipe connectors here: https://makerworld.com/en/collections/15461894-complete-pvc-connector-library

See some of the connectors I have planned:

1. Basic Connectors

• EndCap_Internal_Plug
• Coupling

2. Planar (2D) Connectors

• Elbow_90deg
• Elbow_45deg
• Elbow_30deg
• Elbow_60deg
• Tee
• Cross

3. Spatial (3D) Connectors

• Corner_3Way (Side-Outlet Elbow)
• Connector_4Way (Side-Outlet Tee)
• Connector_5Way (Side-Outlet Cross)
• Connector_6Way (Center Cross)

4. Angled & Adjustable Connectors

• Y_Connector_45deg (90-degree total spread)
• Y_Connector_60deg (120-degree total spread)
• Elbow_Adjustable_Hinge
• Connector_Hinge (For doors/panels)
• Swivel_Sleeve

5. Mounting & Accessory Connectors

• Flange_Foot_Single (For one pipe)
• Flange_Foot_Elbow (90-degree mount)
• Caster_Socket
• Panel_Clip_Slotted_Tee (For holding a panel)
• Panel_Clip_Slotted_Cross
• Wall_Mount_Clip (Secures pipe parallel to wall)

6. Adapters & Reducers

• Reducer_Couplings (e.g., 1in-to-0.75in)
• Reducer_Bushings (e.g., 1in-to-0.75in)

Let me know if you have any more requests/suggestions!

FAQ

Why are the sockets not circular?

I've chosen to prioritize printing without supports. In order to print dimensionally (and aesthetically) sound circles horizontally, I've used a 30 degree angle on the upper and lower sections of the circle. This doesn't affect the functionality whatsoever, and gives us a much better and dimensionally accurate socket to fit our pipes!

Thank you for checking out my models!

I really appreciate the time you've taken to read this far! I love making detailed designs and working with people to bring their ideas alive. If you'd like to support my work, leave me a comment and a photo of your print! I love seeing how these prints come to life. If you want to help me buy some filament for future projects, feel free to give me a boost!

##Disclaimer##

Not for use with liquids. These connectors are for structural projects only.