diff --git a/K40.md b/K40.md
index e95ca07..d919c5b 100644
--- a/K40.md
+++ b/K40.md
@@ -29,5 +29,18 @@ dateCreated: 2021-09-21T09:35:07.364Z
 
 ## Buys parts
 
+- https://fr.aliexpress.com/item/1005002541362578.html?spm=a2g0o.search0304.0.0.2e83571cxOSB0V&algo_pvid=bed29b03-dc7c-413d-aa79-162019c8c1e2&algo_exp_id=bed29b03-dc7c-413d-aa79-162019c8c1e2-11
+
 ## Build log
 
+
+
+## Alternatives
+
+- https://fr.aliexpress.com/item/1005002096944931.html?spm=a2g0o.search0304.0.0.2e83571cxOSB0V&algo_pvid=bed29b03-dc7c-413d-aa79-162019c8c1e2&aem_p4p_detail=202109210932103226797840067200012329713&algo_exp_id=bed29b03-dc7c-413d-aa79-162019c8c1e2-1
+- Just buy the CO2 laser and adapt it on another CNC machine
+
+## Cutting Ideas
+
+- https://www.reddit.com/r/lasercutting/top/?t=all
+