{{Projects infobox
|image           = 
|designers       = 
|date            = 
|vitamins        = 
|materials       = [[Metals]], [[Plastics]], [[Lubricants]], [[Rust inhibitors]]
|transformations = 
|lifecycles      = 
|tools           = [[Wrenches]]
|parts           = [[Bolts]], [[Nuts]], [[Frames]], [[Linear bearings]]
|techniques      = 
|files           = 
|suppliers       = 
|git             = 
}}

[[Category:Parts]]
[[Category:Motion parts]]

=Introduction=

=Challenges=

=Approaches=
  * using [[frames]] as rails with [[linear bearings]]
  * [[https://www.aliexpress.com/item/1005001264680460.html|HGR15 HGR20 HGR25 Square Linear Guide Rail 2pc+4pcs HGH20CA/HGW20CC HGH15CA Flang Slide Block Carriages For CNC Router Engraving]]

{| class="wikitable"
|+ HG series Linear rails table
|-
! HG series !! Hardware !! Dimensions !! Source
|-
| HGR15 || M4 ||  || 
|-
| HGR20 || M5 ||  || 
|-
| HGR25 || ? ||  || 
|}

=References=