Bend 3DP
Universal Rooftop Tent / Camper Level Kit – T-Slot Roof Rack and 80/20 Rail Bubble Levels
Universal Rooftop Tent / Camper Level Kit – T-Slot Roof Rack and 80/20 Rail Bubble Levels
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LEVEL YOUR VEHICLE AND ROOFTOP TENT BEFORE SETTING UP CAMP
The Bend 3DP Universal Level Kit provides a fast and convenient way to check front-to-back and side-to-side positioning before opening your rooftop tent or setting up camp.
The compact bubble levels mount directly to many slotted accessory rails, including roof rack crossbars, rooftop tent mounting rails, T-slot tracks, and 80/20-style aluminum extrusion. The housings can also be mounted to other surfaces by drilling your own installation holes.
Once installed, the two levels provide a permanent visual reference that helps you determine which side or wheel needs to be raised with leveling blocks.
No batteries, phone applications, temporary adhesive levels, or repeated setup are required.
KEY FEATURES
• Universal slotted-rail mounting design
• Installs on many roof racks and crossbars
• Compatible with rooftop tent accessory rails
• Compatible with T-slot and 80/20-style aluminum extrusion
• Can be installed on other surfaces by drilling your own mounting holes
• Two-axis leveling for front-to-back and side-to-side positioning
• Bright, easy-to-read bubble vials
• Center alignment markings for quick visual checks
• Compact, low-profile housings
• Durable 3D-printed construction
• Weather/sun proof ASA Material for outdoor use
• Mounting hardware included
UNIVERSAL MOUNTING OPTIONS
The level housings are designed to work with a variety of camping and vehicle accessory systems, including:
• Slotted roof rack crossbars
• Rooftop tent mounting rails
• T-slot accessory tracks
• 80/20 aluminum extrusion
• Truck bed rack systems
• Trailer accessory rails
• Camper and canopy racks
• Custom fabricated mounting systems
For installations without a compatible slot rail, the housings can be used as templates and mounted by drilling holes into an appropriate surface.
Because slot dimensions and hardware requirements vary between manufacturers, review the listing dimensions before ordering to confirm compatibility with your rack or rail system.
HOW TO USE
Install one level in the front-to-back orientation.
Install the second level in the side-to-side orientation.
Park in your desired campsite.
Check both bubbles to determine the direction of adjustment.
Place leveling blocks beneath the appropriate tire or tires.
Move the vehicle onto the blocks and recheck the levels.
Open your rooftop tent or begin setting up camp.
WHAT’S INCLUDED
• Two bubble level assemblies
• Slotted-rail mounting hardware
• Universal Installation hardware
Vehicle, roof rack, rooftop tent, extrusion, tools, and leveling blocks are not included.
FITMENT AND INSTALLATION
This is a universal accessory and is not designed exclusively for one roof rack, rooftop tent, or vehicle model.
Please compare the product dimensions and included hardware with your mounting system before ordering. Some rack systems may require different T-nuts, bolts, washers, or other hardware.
Drilling into a roof rack, rooftop tent, vehicle, trailer, or other surface is performed at the installer’s discretion. Verify that the installation location is safe and will not damage wiring, waterproofing, structural components, or other equipment.
BUILT FOR OUTDOOR USE
Each housing is manufactured using a durable, weather-resistant 3D-printing material selected for automotive, camping, and outdoor applications. The textured finish provides a clean appearance while helping conceal minor scratches and normal trail wear.
MADE BY BEND 3DP
Designed and manufactured by Bend 3DP in Bend, Oregon.
• Disabled Veteran Owned Small Business• Original Bend 3DP design• Made in the USA• Produced in small batches• Lifetime warranty against manufacturing defects
TRADEMARK DISCLAIMER
Bend 3DP is not affiliated with or endorsed by any vehicle, rooftop tent, roof rack, or aluminum extrusion manufacturer. All company names, trademarks, and product names are the property of their respective owners.
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Frequently Asked Questions
What is a Diesel Heater Port?
A diesel heater port is a wall-mounted pass-through that allows you to bring hot air from an external or portable diesel heater into your truck camper, van, trailer, or workshop. It provides a clean, safe, weather-sealed opening for a 3” heater hose.
What size hose does this port fit?
This port is designed to work with a 3.5" / 90mm diesel heater hose. We offer adapters to fit 3" / 75mm and proplex / 60mm sized hoses.
Is this product heat resistant?
Yes. It is printed from PET-CF (carbon-fiber reinforced PET), which can withstand up to 205°C. Diesel heaters typically output around 90–95°C, well within the safe range.
Is this Diesel Heater Port weatherproof?
Yes. We include a "rubber style" gasket with every kit. The hinged and magetic latching lid helps protects against rain, snow, dust, and road spray when the port is not in use.
Can I install this port on any flat surface?
Yes — the port mounts cleanly to truck campers, vans, trailers, teardrops, sheds, and any flat wall surface including aluminum, fiberglass, wood, and composites.
Is installation difficult?
Installation takes 20–45 minutes. Cut the circular opening with a 3" Hole Saw, drill the mounting holes with a 1/4" drill bit insert the port, and secure it with the provided hardware. Only basic tools are required.
Does the kit include the hose adapter?
Yes. The kit includes a 3” or a 3.5" twist-lock hose adapter, main port assembly, exterior mounting plate, threaded lid, and stainless hardware.
Will this work with portable diesel heaters?
Absolutely — this port is made for users who run their diesel heater outside the camper and pipe hot air inside safely and cleanly.
Is this compatible with all diesel heater brands?
Yes — works with Vevor, Planar, Hcalory and other Chinese diesel heaters (2kW, 5kW, 8kW), and any system with a 3” or 3.5" hot air outlet.
Can I close the port when not in use?
Yes — the magnetic latching lid keep out weather, bugs, and debris when the heater is not connected.