diff --git a/GainStation13/code/machinery/doors/airlock_types.dm b/GainStation13/code/machinery/doors/airlock_types.dm
index 7e2d83ab6c..91f2108c3c 100644
--- a/GainStation13/code/machinery/doors/airlock_types.dm
+++ b/GainStation13/code/machinery/doors/airlock_types.dm
@@ -7,6 +7,17 @@
 	if(isnull(stuckage_weight) || (stuckage_weight < 10))
 		return ..() // They aren't able to get stuck
 
+	var/chance_to_get_stuck = L?.client?.prefs?.stuckage_chance * 100
+	if(chance_to_get_stuck && L.fatness > stuckage_weight)
+		if(prob(chance_to_get_stuck))
+			L.doorstuck = 1
+			L.visible_message("<span class'danger'>[L] gets stuck in the doorway!</span>")
+			to_chat(L, "<span class='danger'>As you attempt to pass through  \the [src], your ample curves get wedged in the narrow opening. You find yourself stuck in the [src] frame, struggling to free yourself from the tight squeeze.</span>")
+			L.Stun(55, updating = TRUE, ignore_canstun = TRUE)
+			addtimer(CALLBACK(src, TYPE_PROC_REF(/obj/machinery/door/airlock/, AsyncDoorstuckCall), L), 55)
+		return ..()
+
+
 	if(L.fatness > (stuckage_weight * 2))
 		if(rand(1, 3) == 1)
 			L.doorstuck = 1
diff --git a/GainStation13/code/modules/client/preferences/preferences.dm b/GainStation13/code/modules/client/preferences/preferences.dm
index 4919d3703e..3ad11a65e4 100644
--- a/GainStation13/code/modules/client/preferences/preferences.dm
+++ b/GainStation13/code/modules/client/preferences/preferences.dm
@@ -27,6 +27,8 @@
 	var/weight_gain_permanent = FALSE
 	/// At what weight will you start to get stuck in airlocks?
 	var/stuckage = FALSE
+	// Percentage chance to get stuck in doors. Setting this to 0 will make the chance depend on the person's weight
+	var/stuckage_chance = 0
 	/// At what weight will you start to break chairs?
 	var/chair_breakage = FALSE
 	/// Are items that only affect those at high weights able to affect the player?
diff --git a/GainStation13/code/modules/research/designs/ipc_designs.dm b/GainStation13/code/modules/research/designs/ipc_designs.dm
new file mode 100644
index 0000000000..98a7fb2822
--- /dev/null
+++ b/GainStation13/code/modules/research/designs/ipc_designs.dm
@@ -0,0 +1,53 @@
+/////////////////////////////
+/////Synth and IPC Organs////
+/////////////////////////////
+
+/datum/design/ipc_heart
+	name = "IPC heart"
+	desc = "Allows for the construction of an IPC heart."
+	id = "ipc_heart"
+	build_type = PROTOLATHE | MECHFAB
+	materials = list(/datum/material/glass = 400, /datum/material/iron = 800, /datum/material/gold = 300)
+	build_path = /obj/item/organ/heart/ipc
+	category = list("Misc", "Medical Designs")
+	departmental_flags = DEPARTMENTAL_FLAG_MEDICAL | DEPARTMENTAL_FLAG_SCIENCE
+
+/datum/design/ipc_liver
+	name = "IPC reagent processing liver"
+	desc = "Allows for the construction of an IPC reagent processing liver."
+	id = "ipc_liver"
+	build_type = PROTOLATHE | MECHFAB
+	materials = list(/datum/material/plasma = 100, /datum/material/iron = 800, /datum/material/glass = 300, /datum/material/silver = 500, /datum/material/gold = 400)
+	build_path = /obj/item/organ/liver/ipc
+	category = list("Misc", "Medical Designs")
+	departmental_flags = DEPARTMENTAL_FLAG_MEDICAL | DEPARTMENTAL_FLAG_SCIENCE
+
+/datum/design/ipc_ears
+	name = "IPC auditory sensors"
+	desc = "Allows for the construction of an IPC auditory sensors."
+	id = "ipc_ears"
+	build_type = PROTOLATHE | MECHFAB
+	materials = list(/datum/material/gold = 400, /datum/material/iron = 800)
+	build_path = /obj/item/organ/ears/ipc
+	category = list("Misc", "Medical Designs")
+	departmental_flags = DEPARTMENTAL_FLAG_MEDICAL | DEPARTMENTAL_FLAG_SCIENCE
+
+/datum/design/ipc_tongue
+	name = "IPC positronic voicebox"
+	desc = "Allows for the construction of an IPC positronic voicebox."
+	id = "ipc_tongue"
+	build_type = PROTOLATHE | MECHFAB
+	materials = list(/datum/material/gold = 400, /datum/material/iron = 800)
+	build_path = /obj/item/organ/tongue/robot/ipc
+	category = list("Misc", "Medical Designs")
+	departmental_flags = DEPARTMENTAL_FLAG_MEDICAL | DEPARTMENTAL_FLAG_SCIENCE
+
+/datum/design/ipc_eyes
+	name = "IPC eyes"
+	desc = "Allows for the construction of an IPC eyes."
+	id = "ipc_eyes"
+	build_type = PROTOLATHE | MECHFAB
+	materials = list(/datum/material/glass = 500, /datum/material/iron = 800, /datum/material/glass = 300,)
+	build_path = /obj/item/organ/eyes/ipc
+	category = list("Misc", "Medical Designs")
+	departmental_flags = DEPARTMENTAL_FLAG_MEDICAL | DEPARTMENTAL_FLAG_SCIENCE
diff --git a/GainStation13/code/modules/research/techweb/robotic_nodes.dm b/GainStation13/code/modules/research/techweb/robotic_nodes.dm
new file mode 100644
index 0000000000..7687363899
--- /dev/null
+++ b/GainStation13/code/modules/research/techweb/robotic_nodes.dm
@@ -0,0 +1,11 @@
+//////////////////////////////
+/////Any new robotic nodes////
+//////////////////////////////
+
+/datum/techweb_node/ipc_tech
+	id = "ipc_tech"
+	display_name = "IPC. parts"
+	description = "IPC. parts research."
+	prereq_ids = list("biotech")
+	design_ids = list("ipc_eyes", "ipc_stomach", "ipc_heart", "ipc_liver", "ipc_ears", "ipc_tongue", "ci-power-cord" )
+	research_costs = list(TECHWEB_POINT_TYPE_GENERIC = 2000)
diff --git a/code/modules/client/preferences.dm b/code/modules/client/preferences.dm
index 0c86d86668..00af91d8b9 100644
--- a/code/modules/client/preferences.dm
+++ b/code/modules/client/preferences.dm
@@ -328,6 +328,8 @@ GLOBAL_LIST_EMPTY(preferences_datums)
 		wl_rate = 0.5
 	if(isnull(stuckage))
 		stuckage = 0
+	if (stuckage_chance == null)
+		stuckage_chance = 0
 	if(isnull(max_weight))
 		max_weight = 0
 	if(isnull(chair_breakage))
@@ -1422,6 +1424,8 @@ GLOBAL_LIST_EMPTY(preferences_datums)
 					dat +="<td width='300px' height='300px' valign='top'>"
 					dat += "<h2>GS13 Gameplay Preferences</h2>"
 					dat += "<b>Stuckage (at what weight will you get stuck in doors?):</b><a href='?_src_=prefs;preference=stuckage'>[stuckage == FALSE ? "Disabled" : stuckage]</a><BR>"
+					if(stuckage)
+						dat += "<b>Stuckage Chance :</b> <a href='?_src_=prefs;preference=stuckage_chance;task=input'>[stuckage_chance]</a><br>"
 					dat += "<b>Chair Breakage (at what weight will you break chairs?):</b><a href='?_src_=prefs;preference=chair_breakage'>[chair_breakage == FALSE ? "Disabled" : chair_breakage]</a><BR>"
 					dat += "<br></br>"
 					dat += "This preference will allow items that work based on weight to work to you, <b>usually to your detriment.</b> <BR>"
@@ -3021,6 +3025,13 @@ GLOBAL_LIST_EMPTY(preferences_datums)
 					var/new_wl_rate = input(user, "Choose your weight loss rate from 0.1 (10%) to 2 (200%).\n Decimals such as 0.2 indicate 20% rate.\nDefault recommended rate is 0.5 (50%)", "Character Preference", wl_rate) as num|null
 					if (new_wl_rate)
 						wl_rate = max(min(round(text2num(new_wl_rate),0.01),2),0)
+				
+				if("stuckage_chance")
+					var/new_stuckage_chance = input(user, "Choose your chance to get stuck in doors from 0.1 (10%) to 1 (100%).\nDecimals such as 0.2 indicate 20% chance.\nSetting this to 0 restores default values.", "Character Preference", stuckage_chance) as num|null
+					if(new_stuckage_chance)
+						stuckage_chance = clamp(new_stuckage_chance, 0.1, 1)
+					else
+						stuckage_chance = 0
 
 				if("marking_down")
 					// move the specified marking down
diff --git a/code/modules/client/preferences_savefile.dm b/code/modules/client/preferences_savefile.dm
index 20278d34de..4bf91a6e0f 100644
--- a/code/modules/client/preferences_savefile.dm
+++ b/code/modules/client/preferences_savefile.dm
@@ -952,6 +952,7 @@ SAVEFILE UPDATING/VERSIONING - 'Simplified', or rather, more coder-friendly ~Car
 	S["helplessness_clothing_back"] >> helplessness_clothing_back
 	S["helplessness_no_buckle"] >> helplessness_no_buckle
 	S["stuckage"] >> stuckage
+	S["stuckage_chance"] >> stuckage_chance
 	S["chair_breakage"] >> chair_breakage
 	S["fatness_vulnerable"] >> fatness_vulnerable
 	S["extreme_fatness_vulnerable"] >> extreme_fatness_vulnerable
@@ -1247,6 +1248,7 @@ SAVEFILE UPDATING/VERSIONING - 'Simplified', or rather, more coder-friendly ~Car
 	WRITE_FILE(S["helplessness_clothing_back"], helplessness_clothing_back)
 	WRITE_FILE(S["helplessness_no_buckle"], helplessness_no_buckle)
 	WRITE_FILE(S["stuckage"], stuckage)
+	WRITE_FILE(S["stuckage_chance"], stuckage_chance)
 	WRITE_FILE(S["chair_breakage"], chair_breakage)
 	WRITE_FILE(S["fatness_vulnerable"], fatness_vulnerable)
 	WRITE_FILE(S["extreme_fatness_vulnerable"], extreme_fatness_vulnerable)
diff --git a/code/modules/surgery/organs/eyes.dm b/code/modules/surgery/organs/eyes.dm
index 4e5e2524d3..3cf62c69ee 100644
--- a/code/modules/surgery/organs/eyes.dm
+++ b/code/modules/surgery/organs/eyes.dm
@@ -240,6 +240,7 @@
 /obj/item/organ/eyes/robotic/glow
 	name = "High Luminosity Eyes"
 	desc = "Special glowing eyes, used by snowflakes who want to be special."
+	flash_protect = 2 // GS13 EDIT Non-organic eyes should be protected from welding flash.
 	left_eye_color = "000"
 	right_eye_color = "000"
 	actions_types = list(/datum/action/item_action/organ_action/use, /datum/action/item_action/organ_action/toggle)
@@ -429,6 +430,7 @@
 	name = "ipc eyes"
 	icon_state = "cybernetic_eyeballs"
 	organ_flags = ORGAN_SYNTHETIC // GS13 = Fixes IPC organs decaying, we hope.
+	flash_protect = 2 // GS13 EDIT Non-organic eyes should be protected from welding flash.
 
 /obj/item/organ/eyes/ipc/emp_act(severity)
 	. = ..()
diff --git a/tgstation.dme b/tgstation.dme
index 365f21daff..61a79dc2d5 100644
--- a/tgstation.dme
+++ b/tgstation.dme
@@ -4127,6 +4127,8 @@
 #include "GainStation13\icons\obj\vairous_weapons.dm"
 #include "GainStation13\icons\obj\structure\beds.dm"
 #include "GainStation13\icons\obj\structure\flora.dm"
+#include "GainStation13\code\modules\research\techweb\robotic_nodes.dm"
+#include "GainStation13\code\modules\research\designs\ipc_designs.dm"
 #include "hyperstation\code\datums\mood_events\events.dm"
 #include "hyperstation\code\game\objects\railings.dm"
 #include "hyperstation\code\game\objects\structures\bench.dm"