• Fast, reliable, accurate
  The linear bearing and Delrin Wheel Gantry commonly used at most of the low-mid 3d printers as a cheaper solution for linear motion. well, ye... it's cheaper but at the expense of accuracy and reliability. linear guided rails (mgn rails) are a way more rigid, extremely precise and smoother then linear bearing or Delrin. shorting print time without compromising on print quality. There seems to be a good reason why they are mostly used with high-end 3D printers. I found cheap Chinese mgn rails at Aliexpress and thought to myself why not? So If you are already tired of the frequently worn POM wheels or the constant need to strengthen the wheels - you came to the right place.

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• Rigid parts
  This time I chose a different path. as you know 3D printed parts are a bit flexible and I wanted to take it out of the equation. by using CNC machined parts, we can take our printer to the next level of accuracy. for testing I have used a BT dial storing the data into a database on my pc, then after more than 2000+ loops, measuring, again and again, the accuracy (uniformity and deviation). without any doubt - the aluminum parts highly improved the results compared to 3D printed parts.

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• Accessible
  CNC machined parts are expensive, right?
  In trying to make it cheaper, I decided to give all my work for free for commercial use under one condition - my permission. part of the cost is the hours required for designing those parts (it took me more than 200 hours of work) by saving it to the manufactures the kits can be cheaper. for example, while 4 aluminum parts being sold at 30$+ on Aliexpress - This kit has 16 pcs and costs 59$ including belts, screws, and shipping! Sure you can find other aluminum + rails kits but unfortunately, they cost 300$ and more.
  Now, I bet you are asking yourself something...

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• Open Source
  where is the catch? why is this guy giving his work for free?
  a couple of years ago I gained all my 3d knowledge from this awesome community. I really appreciate the 3D community and love this hobby. So it's kinda my way to give back. this is also the main reason I made my previous projects BLV mgn Cube and the BLV anet mod. Yes, it's not easy. a lot of work especially when you got precious wife, 2 lovely little kids and a day job (which is not related to 3d printing in any way). but this "Thing" is my therapy (i think.. ☺️). I don't mind sharing my work. 10 years ago, the 3D FDM patent expired, sharing and experiences was the base to what we are having now. imagine if we had none of this and each one kept his finds and work to himself...
  I hope it could give you an idea of what I believe my friends :)