diff --git a/resources/definitions/101Hero.def.json b/resources/definitions/101Hero.def.json
index 620fcfb519..ead1bd4cd2 100644
--- a/resources/definitions/101Hero.def.json
+++ b/resources/definitions/101Hero.def.json
@@ -8,6 +8,7 @@
         "manufacturer": "101Hero",
         "file_formats": "text/x-gcode",
         "platform": "101hero-platform.stl",
+        "preferred_material": "generic_pla_175",
         "supports_usb_connection": true
     },
 
diff --git a/resources/definitions/3dator.def.json b/resources/definitions/3dator.def.json
index 19307bfddd..3d9b2bd7e5 100644
--- a/resources/definitions/3dator.def.json
+++ b/resources/definitions/3dator.def.json
@@ -9,6 +9,7 @@
         "file_formats": "text/x-gcode",
         "icon": "icon_ultimaker2",
         "supports_usb_connection": true,
+        "preferred_material": "generic_pla_175",
         "platform": "3dator_platform.stl"
     },
 
diff --git a/resources/definitions/bq_hephestos_2.def.json b/resources/definitions/bq_hephestos_2.def.json
index a3493334b6..4c36384d63 100644
--- a/resources/definitions/bq_hephestos_2.def.json
+++ b/resources/definitions/bq_hephestos_2.def.json
@@ -8,6 +8,7 @@
         "manufacturer": "BQ",
         "platform": "bq_hephestos_2_platform.stl",
         "platform_offset": [6, 1320, 0 ],
+        "preferred_material": "generic_pla_175",
         "file_formats": "text/x-gcode"
     },
 
diff --git a/resources/definitions/builder_premium_large.def.json b/resources/definitions/builder_premium_large.def.json
index deb1539a9a..15e85d7910 100644
--- a/resources/definitions/builder_premium_large.def.json
+++ b/resources/definitions/builder_premium_large.def.json
@@ -13,6 +13,7 @@
         "platform_offset": [-126, -36, 117],
         "has_machine_quality": true,
         "preferred_quality_type": "normal",
+        "preferred_material": "generic_pla_175",
         "machine_extruder_trains":
         {
             "0": "builder_premium_large_rear",
diff --git a/resources/definitions/builder_premium_medium.def.json b/resources/definitions/builder_premium_medium.def.json
index c28c7c5de6..500bfca75f 100644
--- a/resources/definitions/builder_premium_medium.def.json
+++ b/resources/definitions/builder_premium_medium.def.json
@@ -13,6 +13,7 @@
         "platform_offset": [-126, -36, 117],
         "has_machine_quality": true,
         "preferred_quality_type": "normal",
+        "preferred_material": "generic_pla_175",
         "machine_extruder_trains":
         {
             "0": "builder_premium_medium_rear",
diff --git a/resources/definitions/builder_premium_small.def.json b/resources/definitions/builder_premium_small.def.json
index 8e2fe44631..1d6451430c 100644
--- a/resources/definitions/builder_premium_small.def.json
+++ b/resources/definitions/builder_premium_small.def.json
@@ -12,6 +12,7 @@
         "platform_offset": [-126, -36, 117],
         "has_machine_quality": true,
         "preferred_quality_type": "normal",
+        "preferred_material": "generic_pla_175",
         "machine_extruder_trains":
         {
             "0": "builder_premium_small_rear",
diff --git a/resources/definitions/cartesio.def.json b/resources/definitions/cartesio.def.json
index 9deb257ac3..49eecd2c24 100644
--- a/resources/definitions/cartesio.def.json
+++ b/resources/definitions/cartesio.def.json
@@ -17,6 +17,7 @@
         "variants_name": "Nozzle size",
         "preferred_variant_name": "0.8 mm",
         "preferred_quality_type": "normal",
+        "preferred_material": "generic_pla_175",
 
         "machine_extruder_trains":
         {
diff --git a/resources/definitions/delta_go.def.json b/resources/definitions/delta_go.def.json
index a6d75b2983..6e9fa4aa09 100644
--- a/resources/definitions/delta_go.def.json
+++ b/resources/definitions/delta_go.def.json
@@ -8,7 +8,8 @@
         "manufacturer": "Deltaprintr",
         "file_formats": "text/x-gcode",
         "platform_offset": [0, 0, 0],
-        "platform": ""
+        "platform": "",
+        "preferred_material": "generic_pla_175"
     },
     "overrides": {
         "machine_name":                       { "default_value": "Delta Go" },
diff --git a/resources/definitions/deltacomb.def.json b/resources/definitions/deltacomb.def.json
index 7e6e956dbc..26004e835e 100644
--- a/resources/definitions/deltacomb.def.json
+++ b/resources/definitions/deltacomb.def.json
@@ -10,7 +10,8 @@
         "file_formats": "text/x-gcode",
         "icon": "icon_ultimaker2",
         "platform": "deltacomb.stl",
-        "has_machine_quality": true
+        "has_machine_quality": true,
+        "preferred_material": "generic_pla_175"
     },
 
     "overrides": {
diff --git a/resources/definitions/folgertech_FT-5.def.json b/resources/definitions/folgertech_FT-5.def.json
index 71c6987a1a..7c3489951f 100644
--- a/resources/definitions/folgertech_FT-5.def.json
+++ b/resources/definitions/folgertech_FT-5.def.json
@@ -7,7 +7,8 @@
         "author": "Jaime van Kessel & Paul Bussiere",
         "manufacturer": "Folger Tech",
         "file_formats": "text/x-gcode",
-        "platform": "FT-5_build_plate.stl"
+        "platform": "FT-5_build_plate.stl",
+        "preferred_material": "generic_pla_175"
     },
     "overrides": {
         "machine_heated_bed": { "default_value": true },
diff --git a/resources/definitions/gmax15plus.def.json b/resources/definitions/gmax15plus.def.json
index 3a207cd054..8bd765d156 100644
--- a/resources/definitions/gmax15plus.def.json
+++ b/resources/definitions/gmax15plus.def.json
@@ -12,6 +12,7 @@
         "platform": "gmax_1-5_xt-plus_s3d_full model_150707.stl",
         "has_variants": true,
 		"variants_name": "Hotend",
+        "preferred_material": "generic_pla_175",
 		"preferred_variant_name": "0.5mm E3D (Default)"
     },
 
diff --git a/resources/definitions/gmax15plus_dual.def.json b/resources/definitions/gmax15plus_dual.def.json
index af26a2e30a..e93fc7c6a0 100644
--- a/resources/definitions/gmax15plus_dual.def.json
+++ b/resources/definitions/gmax15plus_dual.def.json
@@ -12,6 +12,7 @@
         "platform": "gmax_1-5_xt-plus_s3d_full model_150707.stl",
 		"has_variants": true,
 		"variants_name": "Hotend",
+        "preferred_material": "generic_pla_175",
 		"preferred_variant_name": "0.5mm E3D (Default)",
 		"machine_extruder_trains": {
 			"0": "gmax15plus_dual_extruder_0",
diff --git a/resources/definitions/helloBEEprusa.def.json b/resources/definitions/helloBEEprusa.def.json
index 2699a6c7d7..26692f8486 100644
--- a/resources/definitions/helloBEEprusa.def.json
+++ b/resources/definitions/helloBEEprusa.def.json
@@ -9,6 +9,7 @@
         "platform": "BEEVERYCREATIVE-helloBEEprusa.stl",
         "platform_offset": [-226, -75, -196],
         "file_formats": "text/x-gcode",
+        "preferred_material": "generic_pla_175",
         "machine_extruder_trains":
         {
             "0": "hBp_extruder_left",
@@ -52,4 +53,4 @@
         "retraction_speed": { "default_value": 15.0},
         "retraction_amount": { "default_value": 1.5}
     }
-}
\ No newline at end of file
+}
diff --git a/resources/definitions/imade3d_jellybox.def.json b/resources/definitions/imade3d_jellybox.def.json
index b234e4b2cd..42bf61f388 100644
--- a/resources/definitions/imade3d_jellybox.def.json
+++ b/resources/definitions/imade3d_jellybox.def.json
@@ -9,6 +9,7 @@
         "platform": "imade3d_jellybox_platform.stl",
         "platform_offset": [ 0, -0.3, 0],
         "file_formats": "text/x-gcode",
+        "preferred_material": "generic_pla_175",
         "preferred_variant_name": "0.4 mm",
         "preferred_quality_type": "fast",
         "has_materials": true,
diff --git a/resources/definitions/julia.def.json b/resources/definitions/julia.def.json
index 7fdee30272..8a9402b332 100644
--- a/resources/definitions/julia.def.json
+++ b/resources/definitions/julia.def.json
@@ -7,7 +7,8 @@
         "author": "Ultimaker",
         "manufacturer": "Fracktal",
         "file_formats": "text/x-gcode",
-        "platform_offset": [ 0, 0, 0]
+        "platform_offset": [ 0, 0, 0],
+        "preferred_material": "generic_pla_175"
     },
 
     "overrides": {
diff --git a/resources/definitions/makerbotreplicator.def.json b/resources/definitions/makerbotreplicator.def.json
index 3d690990ce..77aa5ab667 100644
--- a/resources/definitions/makerbotreplicator.def.json
+++ b/resources/definitions/makerbotreplicator.def.json
@@ -7,7 +7,8 @@
         "author": "Ultimaker",
         "manufacturer": "MakerBot",
         "file_formats": "application/x3g",
-        "platform_offset": [ 0, 0, 0]
+        "platform_offset": [ 0, 0, 0],
+        "preferred_material": "generic_pla_175"
     },
 
     "overrides": {
diff --git a/resources/definitions/malyan_m200.def.json b/resources/definitions/malyan_m200.def.json
index a3f4f81ecf..855fe58cd2 100644
--- a/resources/definitions/malyan_m200.def.json
+++ b/resources/definitions/malyan_m200.def.json
@@ -11,6 +11,7 @@
         "platform": "malyan_m200_platform.stl",
         "has_machine_quality": true,
         "has_materials": true,
+        "preferred_material": "generic_pla_175",
         "preferred_quality_type": "normal",
         "supports_usb_connection": true,
         "visible": true,
diff --git a/resources/definitions/mankati_fullscale_xt_plus.def.json b/resources/definitions/mankati_fullscale_xt_plus.def.json
index 15ba889efc..39b3d018bf 100644
--- a/resources/definitions/mankati_fullscale_xt_plus.def.json
+++ b/resources/definitions/mankati_fullscale_xt_plus.def.json
@@ -7,7 +7,8 @@
         "author": "RBC",
         "manufacturer": "Mankati",
         "file_formats": "text/x-gcode",
-        "platform": "mankati_fullscale_xt_plus_platform.stl"
+        "platform": "mankati_fullscale_xt_plus_platform.stl",
+        "preferred_material": "generic_pla_175"
     },
     "overrides": {
         "machine_name": { "default_value": "Mankati Fullscale XT Plus" },
diff --git a/resources/definitions/ord.def.json b/resources/definitions/ord.def.json
index 3238583ceb..471385cc7c 100644
--- a/resources/definitions/ord.def.json
+++ b/resources/definitions/ord.def.json
@@ -7,6 +7,7 @@
         "author": "Ultimaker",
         "manufacturer": "ORD Solutions",
         "file_formats": "text/x-gcode",
+        "preferred_material": "generic_pla_175",
         "machine_extruder_trains":
         {
             "0": "ord_extruder_0",
diff --git a/resources/definitions/printrbot_play.def.json b/resources/definitions/printrbot_play.def.json
index 36ef93e60c..3f98aff798 100644
--- a/resources/definitions/printrbot_play.def.json
+++ b/resources/definitions/printrbot_play.def.json
@@ -7,7 +7,8 @@
         "author": "Chris Pearson",
         "manufacturer": "Printrbot",
         "file_formats": "text/x-gcode",
-        "platform": "printrbot_play.stl"
+        "platform": "printrbot_play.stl",
+        "preferred_material": "generic_pla_175"
     },
 
     "overrides": {
diff --git a/resources/definitions/printrbot_simple.def.json b/resources/definitions/printrbot_simple.def.json
index 7c86617ce5..52472fd743 100644
--- a/resources/definitions/printrbot_simple.def.json
+++ b/resources/definitions/printrbot_simple.def.json
@@ -8,7 +8,8 @@
         "manufacturer": "PrintrBot",
         "platform": "printrbot_simple_metal_platform.stl",
         "platform_offset": [0, -3.45, 0],
-        "file_formats": "text/x-gcode"
+        "file_formats": "text/x-gcode",
+        "preferred_material": "generic_pla_175"
     },
 
     "overrides": {
diff --git a/resources/definitions/printrbot_simple_extended.def.json b/resources/definitions/printrbot_simple_extended.def.json
index 95395efb23..9463af5554 100644
--- a/resources/definitions/printrbot_simple_extended.def.json
+++ b/resources/definitions/printrbot_simple_extended.def.json
@@ -8,7 +8,8 @@
         "manufacturer": "PrintrBot",
         "platform": "printrbot_simple_metal_upgrade.stl",
         "platform_offset": [0, -0.3, 0],
-        "file_formats": "text/x-gcode"
+        "file_formats": "text/x-gcode",
+        "preferred_material": "generic_pla_175"
     },
 
     "overrides": {
diff --git a/resources/definitions/prusa_i3_mk2.def.json b/resources/definitions/prusa_i3_mk2.def.json
index e58eb4d903..b70e2ab1dc 100644
--- a/resources/definitions/prusa_i3_mk2.def.json
+++ b/resources/definitions/prusa_i3_mk2.def.json
@@ -9,7 +9,8 @@
         "file_formats": "text/x-gcode",
         "icon": "icon_ultimaker2",
         "platform": "prusai3_platform.stl",
-        "has_materials": true
+        "has_materials": true,
+        "preferred_material": "generic_pla_175"
     },
 
     "overrides": {
diff --git a/resources/definitions/punchtec_connect_xl.def.json b/resources/definitions/punchtec_connect_xl.def.json
index 02d3562b41..c1f5780270 100644
--- a/resources/definitions/punchtec_connect_xl.def.json
+++ b/resources/definitions/punchtec_connect_xl.def.json
@@ -12,7 +12,8 @@
             "0": "punchtec_connect_xl_extruder_0",
             "1": "punchtec_connect_xl_extruder_1"
         },
-        "platform_offset": [ 0, 0, 0]
+        "platform_offset": [ 0, 0, 0],
+        "preferred_material": "generic_pla_175"
     },
 
     "overrides": {
diff --git a/resources/definitions/rigid3d.def.json b/resources/definitions/rigid3d.def.json
index 97b0ebd276..21673e0010 100644
--- a/resources/definitions/rigid3d.def.json
+++ b/resources/definitions/rigid3d.def.json
@@ -7,7 +7,8 @@
         "author": "Ultimaker",
         "manufacturer": "Rigid3D",
         "file_formats": "text/x-gcode",
-        "platform_offset": [ 0, 0, 0]
+        "platform_offset": [ 0, 0, 0],
+        "preferred_material": "generic_pla_175"
     },
 
     "overrides": {
diff --git a/resources/definitions/rigid3d_3rdgen.def.json b/resources/definitions/rigid3d_3rdgen.def.json
index 46c22bfa57..b5c2ae87ce 100644
--- a/resources/definitions/rigid3d_3rdgen.def.json
+++ b/resources/definitions/rigid3d_3rdgen.def.json
@@ -7,7 +7,8 @@
         "author": "Ultimaker",
         "manufacturer": "Rigid3D",
         "file_formats": "text/x-gcode",
-        "platform_offset": [ 0, 0, 0]
+        "platform_offset": [ 0, 0, 0],
+        "preferred_material": "generic_pla_175"
     },
 
     "overrides": {
diff --git a/resources/definitions/rigid3d_hobby.def.json b/resources/definitions/rigid3d_hobby.def.json
index 872cc3e6f4..4b18521319 100644
--- a/resources/definitions/rigid3d_hobby.def.json
+++ b/resources/definitions/rigid3d_hobby.def.json
@@ -7,7 +7,8 @@
         "author": "Ultimaker",
         "manufacturer": "Rigid3D",
         "file_formats": "text/x-gcode",
-        "platform_offset": [ 0, 0, 0]
+        "platform_offset": [ 0, 0, 0],
+        "preferred_material": "generic_pla_175"
     },
 
     "overrides": {
diff --git a/resources/definitions/rigid3d_zero.def.json b/resources/definitions/rigid3d_zero.def.json
index 56fb8284c0..44e5e7e96a 100644
--- a/resources/definitions/rigid3d_zero.def.json
+++ b/resources/definitions/rigid3d_zero.def.json
@@ -7,7 +7,8 @@
         "author": "Ultimaker",
         "manufacturer": "Rigid3D",
         "file_formats": "text/x-gcode",
-        "platform_offset": [ 0, 0, 0]
+        "platform_offset": [ 0, 0, 0],
+        "preferred_material": "generic_pla_175"
     },
 
     "overrides": {
diff --git a/resources/definitions/robo_3d_r1.def.json b/resources/definitions/robo_3d_r1.def.json
index b179779c59..1c87e4575f 100644
--- a/resources/definitions/robo_3d_r1.def.json
+++ b/resources/definitions/robo_3d_r1.def.json
@@ -7,7 +7,8 @@
         "author": "Ultimaker",
         "manufacturer": "Robo 3D",
         "file_formats": "text/x-gcode",
-        "platform_offset": [ 0, 0, 0]
+        "platform_offset": [ 0, 0, 0],
+        "preferred_material": "generic_pla_175"
     },
 
     "overrides": {
diff --git a/resources/definitions/tam.def.json b/resources/definitions/tam.def.json
index 20bc96358d..11833b7841 100644
--- a/resources/definitions/tam.def.json
+++ b/resources/definitions/tam.def.json
@@ -10,6 +10,7 @@
         "platform": "tam_series1.stl",
         "platform_offset": [-580.0, -6.23, 253.5],
         "has_materials": false,
+        "preferred_material": "generic_pla_175",
         "supported_actions":["UpgradeFirmware"]
     },
     "overrides": {
diff --git a/resources/definitions/zone3d_printer.def.json b/resources/definitions/zone3d_printer.def.json
index bac8968951..b7f852054a 100644
--- a/resources/definitions/zone3d_printer.def.json
+++ b/resources/definitions/zone3d_printer.def.json
@@ -7,7 +7,8 @@
         "author": "Ultimaker",
         "manufacturer": "Unknown",
         "file_formats": "text/x-gcode",
-        "platform_offset": [ 0, 0, 0]
+        "platform_offset": [ 0, 0, 0],
+        "preferred_material": "generic_pla_175"
     },
 
     "overrides": {