add more platings

code/modules/research/designs/mod_designs.dm

@@ -87,6 +87,15 @@
 	departmental_flags = DEPARTMENTAL_FLAG_ENGINEERING
 	research_icon_state = "atmospheric-plating"
 
+/datum/design/mod_plating/mining
+	name = "MOD Mining Plating"
+	id = "mod_plating_mining"
+	build_path = /obj/item/mod/construction/armor/mining
+	materials = list(/datum/material/iron = 6000, /datum/material/titanium = 2000, /datum/material/glass = 1000, /datum/material/plasma = 1000)
+	build_type = PROTOLATHE
+	departmental_flags = DEPARTMENTAL_FLAG_CARGO
+	research_icon_state = "atmospheric-mining"
+
 /datum/design/mod_plating/medical
 	name = "MOD Medical Plating"
 	id = "mod_plating_medical"

code/modules/research/techweb/nodes/mod_nodes.dm

@@ -23,6 +23,7 @@
 	description = "More advanced modules, to improve modular suits."
 	prereq_ids = list("mod", "robotics")
 	design_ids = list(
+		"mod_plating_mining",
 		"mod_visor_diaghud",
 		"mod_gps",
 		"mod_reagent_scanner",