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3D Printing the OpenRC Truggy

Mike Thomas
Mike Thomas
Created , last modified
OpenRCRemote Control
Cover Image for 3D Printing the OpenRC Truggy

Table of contents

  1. Front C-Hub Assembly
  2. Differential Housing Assembly
  3. Front Assembly
  4. Rear Assembly
  5. Steering Assembly
  6. Chassis Assembly
  7. Body
  8. Electronics

Front C-Hub Assembly

Exploded diagram of the Front C-Hub Assembly

Image © 2013 Daniel Norée

ItemQuantityMaterialTimeSizeWeightCostPrintedNotes
HSP 02038 Metal Ball Head Screw2Stainless SteelM3£1.21 (Pack of 6)
HSP Bearing 021394Stainless Steel10x5x4mm£1.46 (Pack of 8)
C-Hub_Left_Front1PrimaValue PLA (Dark Grey)57m2.61m7.79g£0.15✔️
C-Hub_Right_Front1PrimaValue PLA (Dark Grey)57m2.61m7.78g£0.15✔️
AHC Countersunk Allen Key Bolts4Stainless SteelM3x8 FHCS£4.39 (Pack of 500)
Steering Block2PrimaValue PLA (Dark Grey)50m2.04m6.09g£0.12✔️

Differential Housing Assembly

Exploded diagram of the Differential Housing Assembly

Image © 2013 Daniel Norée

NOTE: Quantities are for 1 Diff, 2 differential housing assemblies are required

ItemQuantityMaterialTimeSizeWeightCostPrintedNotes
HSP Bearing 021382Stainless Steel10x15x4mm£1.46 (Pack of 8)
HSP Bearing 021392Stainless Steel10x5x4mmIncluded in above
HSP Front Pinion Shaft 020301Metal13T£0.97
HSP Rear Pinion Shaft 030151Metal13T£1.22
HSP Metal Main Gear 111841Metal64T£2.25 (Pack of 2 gears)
HSP Drive Cup 020161Aluminium£1.14 (Pack of 2)
Differential Housing Lower1Ziro PLA (Black)4h 21m12.88m38.42g£0.61✔️
Differential Housing Upper1Ziro PLA (Black)1h 40m5.14m15.33g£0.25✔️
HSP Differential 020241Metal38T£2.04
AHC Countersunk Allen Key Bolts1Stainless SteelM3x8 FHCS£4.39 (Pack of 500)
Aussel Pan Head Screw Bolts2Stainless SteelM3x10 BHCS£8.49 (300 Piece set)
Aussel M3 Nuts7Stainless SteelM3Included in above

Metal gears in 3D printed differentials

Front Assembly

Exploded diagram of the Front Assembly

Image © 2013 Daniel Norée

ItemQuantityMaterialTimeSizeWeightCostPrintedNotes
HSP 02038 Metal Ball Head Screw4Stainless SteelM3£1.21 (Pack of 6)
HSP Dog Bone 120072Stainless Steel100mm£3.90 (Pack of 4)
AHC Countersunk Allen Key Bolts2Stainless SteelM3x14 FHCS£16.86 (1020 Piece set)
Aussel Pan Head Screw Bolts2Stainless SteelM3x10 BHCS£8.49 (300 Piece set)
Aussel Pan Head Screw Bolts2Stainless SteelM3x14 BHCSIncluded in above
Aussel Pan Head Screw Bolts2Stainless SteelM3x16 BHCSIncluded in above
Aussel M3 Nuts6Stainless SteelM3Included in above
HSP Axel Stub 020332Stainless Steel£1.14 (Pack of 2)
Pin2Stainless Steel3x32mm£1.44 (Pack of 5)Cut from a 3x150mm rod using a Dremel with cutting disk
Pin2Stainless Steel3x56mmIncluded in aboveCut from a 3x150mm rod using a Dremel with cutting disk
HSP Shock Absorber 060022Aluminium109mm£3.35 (Pack of 2)Replaced plastic ones that leaked
Shock Spacer2Ziro PLA (Black)2m0.05m0.15g£0.00✔️
Shock Tower1Ziro PLA (Black)1h 17m2.40m10.15g£0.16✔️
Turnbuckle2PrimaValue PLA (Dark Grey)18m0.90m2.67g£0.05✔️
Wishbone_Big_Part2PrimaValue PLA (Dark Grey)2h 26m6.86m20.47g£0.41✔️
Wishbone_Small_Part2PrimaValue PLA (Dark Grey)53m2.79m8.33g£0.16✔️
Wishbone Pin Holder1Ziro PLA (Black)✔️printed with Differential Housing Lower

Rear Assembly

Exploded diagram of the Rear Assembly

Image © 2013 Daniel Norée

ItemQuantityMaterialTimeSizeWeightCostPrintedNotes
HSP 02038 Metal Ball Head Screw4Stainless SteelM3£1.21 (Pack of 6)
HSP Dog Bone 120072Stainless Steel100mm£3.90 (Pack of 4)
HSP Bearing 021394Stainless Steel10x5x4mm£1.46 (Pack of 8)
AHC Countersunk Allen Key Bolts2Stainless SteelM3x14 FHCS£16.86 (1020 Piece set)
Aussel Pan Head Screw Bolts2Stainless SteelM3x10 BHCS£8.49 (300 Piece set)
Aussel Pan Head Screw Bolts2Stainless SteelM3x14 BHCSIncluded in above
Aussel Pan Head Screw Bolts2Stainless SteelM3x16 BHCSIncluded in above
Aussel Pan Head Screw Bolts6Stainless SteelM3Included in above
HSP Axel Stub 020332Stainless Steel£1.14 (Pack of 2)
Pin2Stainless Steel3x32mm£1.44 (Pack of 5)Cut from a 3x150mm rod using a Dremel with cutting disk
Pin2Stainless Steel3x56mmIncluded in aboveCut from a 3x150mm rod using a Dremel with cutting disk
HSP Shock Absorber 060022Aluminium109mm£3.35 (Pack of 2)Replaced plastic ones that leaked
Shock Spacer2Ziro PLA (Black)2m0.05m0.15g£0.00✔️
Shock Tower1Ziro PLA (Black)1h 17m2.40m10.15g£0.16✔️
Rear Left C-Hub1PrimaValue PLA (Dark Grey)53m2.16m6.43g£0.13✔️
Rear Right C-Hub1PrimaValue PLA (Dark Grey)53m2.16m6.43g£0.13✔️
Turnbuckle2PrimaValue PLA (Dark Grey)18m0.90m2.67g£0.05✔️
Wishbone_Big_Part2PrimaValue PLA (Dark Grey)2h 26m6.86m20.47g£0.41✔️
Wishbone_Small_Part2PrimaValue PLA (Dark Grey)53m2.79m8.33g£0.16✔️
Wishbone Pin Holder1Ziro PLA (Black)✔️printed with Differential Housing Lower

Laying out the drivechain

Steering Assembly

Exploded diagram of the Steering Assembly

Image © 2013 Daniel Norée

ItemQuantityMaterialTimeSizeWeightCostPrintedNotes
HSP 02038 Metal Ball Head Screw3Stainless SteelM3£1.21 (Pack of 6)
Bearing2Stainless Steel6x12x4mm£4.14 (Pack of 10)
AHC Countersunk Allen Key Bolts2Stainless SteelM3x10 FHCS£16.86 (1020 Piece set)
AHC Countersunk Allen Key Bolts2Stainless SteelM3x8 FHCS£4.39 (Pack of 500)
Pivot Shaft1Ziro PLA (Black)46m1.82m5.42g£0.09✔️
Stabilizer1Ziro PLA (Black)1h 18m2.85m11.49g£0.18✔️
Steering Part 11Ziro PLA (Black)33m1.21m3.60g£0.06✔️
Steering Part 21Ziro PLA (Black)50m1.80m5.37g£0.09✔️
Steering Plate1Ziro PLA (Black)22m1.10m3.29g£0.05✔️

Chassis Assembly

Exploded diagram of the Chassis Assembly

Image © 2013 Daniel Norée

ItemQuantityMaterialTimeSizeWeightCostPrintedNotes
HSP Metal Pinion Gear 111811Metal21T£2.25 (Pack of 2 gears)
HSP Metal Motor Mount 030071Metal£1.06
HSP Center Drive Shaft 040031Aluminium170mm£1.06
Body Holder2Ziro PLA (Black)27m0.96m2.86g£0.05✔️
Center Support1Ziro PLA (Black)4h 11m8.88m26.48g£0.42✔️
Chassis Plate Front1PrimaValue PLA (Dark Grey)6h 31m20.03m59.75g£1.18✔️
Chassis Plate Rear1PrimaValue PLA (Dark Grey)5h 38m17.47m52.10g£1.03✔️
Deck Connector1Ziro PLA (Black)39m1.82m5.43g£0.09✔️
Gear Guard Left1Ziro PLA (Black)21m0.73m2.18g£0.03✔️
Gear Guard Right1Ziro PLA (Black)35m1.05m3.12g£0.05✔️
Motor Plate Spacer1Ziro PLA (Black)15m0.65m1.95g£0.03✔️
Left Shield1PrimaValue PLA (Red)2h 29m8.11m24.20g£0.58✔️
Right Shield1PrimaValue PLA (Red)2h 28m8.12m24.21g£0.58✔️
Upper Deck Front1PrimaValue PLA (Red)2h 25m7.59m22.64g£0.55✔️
Upper Deck Rear1PrimaValue PLA (Red)2h 5m6.68m19.91g£0.48✔️
Servo Arm1Ziro PLA (Black)19m0.76m2.27g£0.04✔️
Servo Arm1Ziro PLA (Black)18m1.21m3.62g£0.06✔️
Servo Holder1Ziro PLA (Black)1h 29m3.69m11g£0.18✔️

Body

ItemQuantityMaterialTimeSizeWeightCostPrintedNotes
Wheels4Plastic/Rubber85mm£7.35 (4 Piece set)Diameter of the wheels is too small so I had to add 12mm wheel spacers to make enough space for steering
Pin4Stainless Steel2x10mm£4.81 (160 Piece set)
Nyloc Wheel Nut4Stainless SteelM4Included in above
Body Clips6Stainless SteelIncluded in above
Battery Holder1Ziro PLA (Black)2h 47m9.37m27.94g£0.45✔️
Front Bumper Damper1Ziro TPU (Black)40m1.75m5.22g£0.11✔️
Front Bumper Plate1Ziro TPU (Black)2h 56m8.47m25.27g£0.56✔️
Wing1Ziro TPU (Black)5h 51m17.02m50.78g£1.12✔️
Wing Holder1Ziro PLA (Black)1h 11m3.69m10.99g£0.18✔️

OpenRC Truggy Completed

Electronics

ItemQuantityMaterialTimeSizeWeightCostPrintedNotes
Gens Ace LiPo Battery Pack1LiPo Battery2200mAh£17.99
Gyro Sensor Module1Electronics21x21x11mm3.6g£19.30
HSP Heat Sink For Motor1Aluminium£1.82
Racestar 3650 Brushless Motor1Electronics3100KV£38.36
Racestar ESC1Electronics60AIncluded in above
Flysky FS-GR3E Receiver1Electronics30x8mm25g£7.32
MG996R Metal Gear Servo1Electronics40x19x43mm55g£5.40
Elsewhere