Stepped Tube Adapter Mock-up Planner – Imperial (Inch) – Single Transition Bundle (3D Printable)

What You’ll Get

✔ All configurations shown for your selected imperial tube transition
✔ Multiple transition angles and CLR ratios
✔ High-quality, print-ready 3D models
✔ Clearly marked diameter, angle and CLR information
✔ Snap-fit connection for use with the Futuri tube mock-up system
✔ Designed to print reliably with standard filaments such as PLA and PETG
✔ Compatible with most FDM 3D printers
✔ Optimized for easy, reliable printing
✔ Recommended print settings and instructions

Snap-Fit Modular Design

The stepped adapters are designed to work with the Futuri Pie-Cut Tube Mock-up Planner system, allowing diameter transitions to become part of a complete physical tube mock-up.

The snap-fit connection uses 24 rotational positions, spaced at 15° intervals, allowing connected pieces to be rotated and positioned while planning the tube route.

Available Imperial Transition Bundles

Each row represents one available Single Transition Bundle. The angles shown under each CLR ratio are the configurations included in that bundle.

Tube Transition	0.75D	1.0D	1.25D	1.5D	2.0D
1.250 → 1.375″	×	×	15°, 18°	15°, 18°	9°, 15°, 18°
1.250 → 1.500″	×	18°	15°, 18°	15°, 18°	9°, 15°, 18°
1.375 → 1.500″	×	18°	15°, 18°	9°, 15°, 18°	9°, 15°, 18°
1.375 → 1.625″	×	18°	15°, 18°	15°, 18°	9°, 15°, 18°
1.500 → 1.625″	×	15°, 18°	15°, 18°	9°, 15°, 18°	9°, 15°, 18°
1.500 → 1.750″	×	15°, 18°	15°, 18°	9°, 15°, 18°	9°, 15°, 18°
1.625 → 1.750″	×	15°, 18°	15°, 18°	9°, 15°, 18°	9°, 15°, 18°
1.625 → 1.875″	×	15°, 18°	15°, 18°	9°, 15°, 18°	9°, 15°, 18°
1.750 → 1.875″	×	15°, 18°	9°, 15°, 18°	9°, 15°, 18°	9°, 15°, 18°
1.750 → 2.000″	×	15°, 18°	9°, 15°, 18°	9°, 15°, 18°	9°, 15°, 18°
1.875 → 2.000″	×	15°, 18°	9°, 15°, 18°	9°, 15°, 18°	9°, 15°, 18°
1.875 → 2.125″	×	15°, 18°	9°, 15°, 18°	9°, 15°, 18°	9°, 15°, 18°
2.000 → 2.125″	×	15°, 18°	9°, 15°, 18°	9°, 15°, 18°	9°, 15°, 18°
2.000 → 2.250″	×	15°, 18°	9°, 15°, 18°	9°, 15°, 18°	9°, 15°, 18°
2.125 → 2.250″	×	15°, 18°	9°, 15°, 18°	9°, 15°, 18°	9°, 15°, 18°
2.250 → 2.500″	×	15°, 18°	9°, 15°, 18°	9°, 15°, 18°	9°, 15°, 18°
2.500 → 2.750″	18°	15°, 18°	9°, 15°, 18°	9°, 15°, 18°	9°, 15°, 18°
2.750 → 3.000″	18°	9°, 15°, 18°	9°, 15°, 18°	9°, 15°, 18°	9°, 15°, 18°
3.000 → 3.500″	18°	15°, 18°	9°, 15°, 18°	9°, 15°, 18°	9°, 15°, 18°
3.500 → 4.000″	18°	15°, 18°	9°, 15°, 18°	9°, 15°, 18°	9°, 15°, 18°

× = No configuration available at this CLR ratio

CLR Ratio Guide

The centerline radius (CLR) ratio determines the curvature of the transition. A lower CLR creates a tighter geometry, while a higher CLR produces a longer, more gradual transition.

CLR Ratio	Transition Geometry
0.75D	Very tight
1.0D	Tight
1.25D	Medium
1.5D	Long
2.0D	Sweeping

CLR is expressed as a multiple of the tube diameter. For example, a 2.000″ tube with a 1.5D CLR has a centerline radius of 3.000″.

Print as Many Pieces as You Need

All included models are digital files. Print whichever configurations you need and produce as many physical adapters as required for your own projects and fabrication work.

Instant Download

After purchase, you will receive an email with a download link so you can start printing right away.

Digital Product & License

This is a digital product, not a physical item. No product will be shipped. A 3D printer is required to create the adapters yourself.

The files may be used for personal projects as well as professional and commercial work. You may print the designs as many times as needed for your own projects and fabrication work.

The digital files themselves may not be shared, redistributed, uploaded, copied for others or resold. All intellectual property rights remain with Futuri Motion Tech.

Each file is individually digitally watermarked upon generation/download, allowing unauthorized distribution to be traced back to the original purchase.