Update README.md

README.md

@@ -51,8 +51,9 @@ The machines you design and build **don't need to be complicated** - try to de-r
 
 ## Composable Axis 
 
-Urumbu-Style Wire-Rope Axis  
+[Beehive machine building kit](https://gitlab.cba.mit.edu/quentinbolsee/beehive-axes)
 [Clank-Style Rollers](https://clank.tools/build/composable/) 
+[Urumbu-style axis](https://fabacademy.org/2020/labs/ulb/students/quentin-bolsee/projects/urumbu_axis/)
 
 ## Composable Rotary
 
@@ -99,11 +100,7 @@ Here's the list... with the note that we have extras of most line items, so grou
 
 # Electronics / Software
 
-based on [urumbu](https://cba.mit.edu/docs/papers/22.11.Urumbu.pdf), which is also available to use, we are supplying circuits and examples for [modular-thing](https://github.com/modular-things/modular-things/) of which there are many [circuits](https://github.com/modular-things/modular-things-circuits) 
-
-## Urumbu
-
-https://cba.mit.edu/docs/papers/22.11.Urumbu.pdf
+based on [urumbu](https://gitlab.cba.mit.edu/quentinbolsee/urumbu-io), which are also available to use, we are supplying circuits and examples for [modular-thing](https://github.com/modular-things/modular-things/) of which there are many [circuits](https://github.com/modular-things/modular-things-circuits) 
 
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