Newtonian beginner telescope

This is a printable telescope with very few parts that I'm making for my son as a Christmas gift. This is my first attempt to make a telescope, and I am really happy with the result. It works really well. And was easy to build and print. It has 2 different mounts, The telescope_mount is for a old tripod (seben EQ3) Second one is Vixen Style Dovetail.

Update 16.11.2019

I added a new piece to the telescope. Now you can mount a raspberry pi camera directly
on to the telescope instead of mirror end eyepiece. The new parts are:

1. Camera Focus
2. Topp_rpi
3. Rack
4. GT2 Timing Pulley 16 Tooth Bore 5mm (https://www.aliexpress.com/item/32950478691.html?spm=a2g0s.9042311.0.0.27424c4deq9xLw)
5. 5mm Aluminum rod that is at least 100mm long

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1.telescope_mount
2.vixen_mount

Hardware needed:
1- 114mm mirror with a secondary mirror
2- Focuser
3- M4-0.7 Threaded Heat Set Inserts
4- 400 x 14mm Carbon fiber rods
5- M4 screws
6- M4 nuts
7- Telescope eyepiece

Printed parts:
You need one of each piece, except the clips. You need 3 of them.

Total cost, not incl PLA was $69, you can of course, make your own focuser and save $25

https://www.aliexpress.com/item/Newtonian-Telescope-Accessories-D114F900-Reflection-of-The-Objective-Lens-Group-With-Secondary-Mirror-114900/32739119776.html

https://www.aliexpress.com/item/0-1mm-Focuser-High-Precision-Double-Helical-Focuser-for-Guider-Scope-Finder-Scope-Interface-Astronomy-Telescope/32797773316.html?spm=2114.search0204.0.0.11702f9ahmWkYC

https://www.amazon.com/initeq-M4-0-7-Threaded-Inserts-Printing/dp/B075S1HD5J/ref=sr_1_3?ie=UTF8&qid=1544044218&sr=8-3&keywords=M4-0.7+Threaded+Heat+Set+Inserts

You only need support for Telescope_mount

All tips are greatly appreciated!