Onyx Pro & Mark Two Fibre Extruder
The Markforged Mark Two and Onyx Pro have two extruders. One is dedicated to printing onyx (plastic extruder), while the other is dedicated to printing composites (fibre extruder). This fibre extruder is a unique component that enables it to 3D print parts with the strength of 6061 aluminium. It prints carbon fibre, fibreglass or Kevlar and reinforces parts during the print process with continuous strands of fibre.
When should I replace the Fibre extruder?
You may need to replace your fibre extruder if your Mark Two or Onyx Pro cannot extrude properly. Signs that your printer may be experiencing issues include a slowing down of the print process, an inconsistency when the composite is being extruded or skipping mid-print. The extruder mechanism itself is an incredibly robust part. However, it can become damaged if misused or mishandled. It can also become damaged in transit. If your fibre extruder has become damaged, then you will need to buy a replacement part.
The Fibre Extruder for sale here is a genuine Markforged part. It is a direct replacement for your printer’s existing fibre extruder. Replacing the extruder is a 10-minute job and once installed you will be ready to go. If you need any help choosing a part for your Markforged printer, call us on 01765 540 115 or contact us here.
Manufacturer SKU | A1069-FRU |
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Brand | Markforged |

DELIVERY BY ADDITIVE-X
Order by 4:45pm Monday to Friday and Additive-X will ship your order via DPD the same day, with multiple options available. DPD Pre 12 and Pre 10.30 are available depending on your postcode.
Some units must ship on a pallet due to weight and/or size, in which case delivery service is 1-2 days and the cut-off time is earlier.
Please note: We don’t work on bank holidays, so your order will be delayed by 1 working day.
Shipping Methods
UK Mainland
Standard Delivery |
£0.00 (On orders over £100 Excl VAT) |
UK Mainland |
Collection |
£0.00 |
You can collect your order from Additive-X, College Business Park, Kearsley Road, Ripon, HG4 2RN free of charge, but please call 01765 694 007 to arrange a collection time. |
Next Working Day DPD |
£7.80 Excl VAT £6.50 |
excl. Highlands, Islands & Pallet Deliveries. Mon-Thurs order by 4:45pm |
PRE 12 Next Working Day DPD |
£14.40 Excl VAT £12.00 |
Mon-Thurs order by 4:45pm |
PRE 10.30 Next Working Day DPD |
£21.00 Excl VAT £17.50 |
Mon-Thurs order by 4:45pm |
Saturday Delivery DPD |
£21.60 Excl VAT £18.00 |
Fri order by 4:45pm |
If you require delivery to the following locations, or information on our returns process, please visit our full delivery page…
Northern Ireland, Aberdeen, Scottish Highlands, Scottish Islands, Jersey, Guernsey, Isle of Wight and Isle of Man.