Piper J-3 Cub from 3D LabPrint


Piper J-3 Cub is the next of new LW Planes series designed for easy and cheap flying. The build is simple even for a beginner. It’s very low weight, easy assembly and fantastic flight characteristics makes this model an ideal plane for beginner RC pilots.

Very suitable for dads and kids. Children will learn some modern building skills and technology and most of all have fun. This is the reason, why every dad should have a 3D printer at home.

This model has been completely designed with the new PolyLight LW-PLA material in mind.

Parts printed from this LW-PLA are light, easily sanded and glued together. This model requires only about 300g of this material, that means it’s a very cheap build. In case of accident, parts can be easily reprinted with just a filament cost.

We’ve been testing this material for a years before this plane was released… The material is using an active foaming technology to achieve lightweight, low density PLA parts. At around 230°C this material will start foaming, increasing its volume by nearly 3 times.

Almost all parts of this plane should be printed from LW-PLA (some specific parts needs PLA or PETg).



If the Manual doesn't show you can click here to open the document in a new window.

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We cannot guarantee that the shops listed below do sell the Piper J-3 Cub in particular but at least we know they do distribute 3D LabPrint.

Wingspan: 1068mm (42 in)
Length: 678mm (26.7 in)

Weight: 500 g (1.1 lbs)
  • Wingspan: 1068 mm / 42.0 inch
  • Length: 675 mm / 26.6 inch
  • Height: 310 mm / 12.2 inch
  • Wing area: 18,15 dm² / 1.94 square feet
  • Wing loading: 31 g/dm² / 15.3 oz/square feet
  • Center of gravity: 44 mm / 1.73 inch from leading edge
  • Airfoil: LHK12 modified by 3DLabPrint Print
  • Weight (LW PLA): 224 g / 7.90 oz
  • Empty weight (w/o battery): 380 g / 13.40 oz
  • Takeoff weight (3s 1300 lipo): 500 g / 17.63 oz
  • Max takeoff weight: 700 g / 24.70 oz
  • Never exceed speed, VNE: 70 km/h / 50 mph
  • Design maneuvering speed, VA: 50 km/h / 31 mph
  • Stall speed, VS: 15 km/h / 9.4 mph
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