Straight Adapters, Tube × Male Threaded Pipe

3D-printable plastic barbed tube fittings includes a wide range of straight adapters designed for various tube and male threaded pipe sizes.
Below are the available sizes for fittings:

1. 3/16" × 1/4"
2. 1/4" × 1/8"
3. 1/4" × 1/4"
4. 1/4" × 3/8"
5. 1/4" × 3/4"
6. 1/4" × 1/2"
7. 3/8" × 1/8"
8. 3/8" × 1/4"
9. 3/8" × 3/8"
10. 3/8" × 3/4"
11. 3/8" × 1"
12. 3/8" × 1/2"
13. 1/2" × 1/8"
14. 1/2" × 1/4"
15. 1/2" × 3/8"
16. 1/2" × 3/4"
17. 1/2" × 1"
18. 1/2" × 1/2"
19. 5/8" × 1/4"
20. 5/8" × 3/8"
21. 5/8" × 3/4"
22. 5/8" × 1/2"
23. 3/4" × 1/4"
24. 3/4" × 3/8"
25. 3/4" × 3/4"
26. 3/4" × 1"
27. 3/4" × 1/2"