OmniaDrop Pre-assembled without a Ring Heater

This Version of the OmniaDrop comes without a Ring Heater, instead a E3D Heaterblock, Heater Cartridge and Thermistor Cartridge can be used, but these items will not be supplied.

 

The OmniaDrop comes in two different versions. The standard version uses two mounting holes which are 60 mm apart. These mounting holes can be used to attach the OmniaDrop extruder to your 3D printer carriage. The second version is a Prusa edition which was developed to be a drop-in replacement for a standard Prusa i3 printer. 

A third option is to use the files of the OmniaDrop extruder and adapt it to your specific carriage. With the purchase of the OmniaDrop you get a link to the files.

Is the pre-assembled OmniaDrop a plug and play extruder?

No, you still need to assemble the hotend and part cooling fan. This means you still need to perform Step 11 and 12 of the assembly process. You also need to change the steps/mm using a G-code and hot tightening the nozzle. The pre-assembled version however has already been run-in (planetary-gear) and was completely QC'd.

 

Which filament diameter is better for flexible filaments?

Generally speaking, 3 mm flexible filament cannot kink in the extruder, while 1.75 mm flexible filament can. This is just due to the physical size of the 1.75mm filament. As a result, it is easier to extrude more filament per time with a 3 mm flexible filament than with a 1.75 mm filament. However, the print quality will always suffer if you print too fast regardless of filament diameter and filament material. Just work with that filament diameter you feel most comfortable with. Just be patient with flexible filaments and you will not see any big issues with either filament diameter.

 

Are there any differences between the 3 mm Filament and the 1.75 mm Filament version? 

The only difference between these two versions is the stepper motor and drive gears.

 

1.75 mm Nema 17 stepper motor

Body length: 20mm 

Weight: 140 gr.

Motor Type: Bipolar Stepper

Step Angle: 1.8 deg

Holding Torque: 13 Ncm (18.4 oz.in)

Rated Current/phase: 1.0A

Voltage: 3.5V

Phase Resistance: 3.5ohms

Inductance: 4.5mH ± 20%(1KHz)

 

3 mm Nema 17 stepper motor 

Body length: 34mm 

Weight: 230 gr.

Motor Type: Bipolar Stepper

Step Angle: 1.8 deg

Holding Torque: 22Ncm(31oz.in)

Rated Current/phase: 1.33A

Voltage: 2.8V

Phase Resistance: 2.1ohms

Inductance: 2.5mH ± 20%(1KHz)

 

It is possible to use the smaller Nema 17 motor with a 3 mm filament however, you will run into issues when extruding a lot of filament, for instance with a 0.8 mm nozzle printing at 0.4 mm layer heights. If you wish to use a the smaller Nema 17 with the 3 mm version, write that in the comment section when ordering.

 

What are the components of the OmniaDrop made of?

All the printed parts are printed with PETG, except the Planet-Gears. The Planet-Gears are printed in Igus Iglidur I150 which is a tribo-filament with high abrasion resistance. All the metal parts (except the cooling block and nozzle) like screws and hobbed gears are made from stainless steel. The cooling block is made from an aluminium alloy with a high heat transfer coefficient. The sun gear on the Nema 17 stepper motor is made from brass. 

 

Which OmniaDrop Prusa edition should I choose for the Prusa MK3?

Choose the OmniaDrop Prusa edition 24V and write in the comment section that you have a Prusa MK3 and that you need the 5V 3-pin blower fans.

 

Are there any downsides compared to the stock Prusa MK3 extruder?

The OmniaDrop extruder was built to optimally print flexible filaments and was not built to fit a certain printer. As a result, due to the design constraints on the Prusa MK3 printer you will lose 17.5 mm on the Y-axis and 7.5 mm on the X-axis however, this still leaves you with a print area of 242.5 mm in X and 192.5 mm in Y.

Currently the OmniaDrop does not come with a filament sensor, so you will not be able to use the filament sensor on your Prusa. The filament sensor on the Prusa could not be converted to fit the OmniaDrop extruder.

This is however a project for the future.

 

Can you use a BLTouch on the OmniaDrop?

Yes, there is a BLTouch mounting option avaiable for the OmniaDrop extruder. When you order just write BLTouch in the comment section of your order and you will get the OmniaDrop with a BLTouch mount.

€ 116.81

€ 139 incl. Tax

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