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Coach Bogies (4mm scale)
This kit makes a set of two bogies. The bogies match our products and methods of construction. it is recommended that the minimum radius curve  is around 2 feet (600 mm approximately). The models are based on a style of construction that was used on many railways. The kit consists of 3d printed parts (random colour) and card overlays. The plastic parts are made from PLA which is environmentally friendly. The bogies are readily assembled. The images show our wheel set (D3D-02 4 axles)  which is ..
£6.00
MIni Stepper Motor 66mm
These miniature stepper motors can be used to switch point motors or other accesories on model railways. There are a number of advantages when using stepper motors: Unlike servo motors, the points will not lose position if the power is lost. Once the point has changed the power can be switched off, unlike a servo which needs a continual power supply in order to maintain its position. These stepper motors are robust. Finally, these mini stepper motors are easily linked to low cost microprocessors such ..
£5.00
OO Wheels (3 axles) and Mansell Inserts
These "OO" disc wheels are approximately a scale 3ft 5in in diameter, excluding the flanges. The wheels are metal (with an insulated axle). The wheels are suitable for use with our coach kits. The inserts give an effective representation of a Mansell pattern wooden centred wheel.  Three axles and six Mansell pattern inserts are included. This is sufficient for one six wheeled vehicle. ..
£5.00
OO Wheels (4 axles) and Mansell Inserts
These "OO" disc wheels are approximately a scale 3ft 5in in diameter, excluding the flanges. The wheels are metal (with an insulated axle). The wheels are suitable for use with our coach kits. The inserts give an effective representation of a Mansell pattern wooden centred wheel.  Four axles and eight  Mansell pattern inserts are included. This is sufficient for one bogie vehicle or two four wheeled carriages, ..
£7.00
Six wheeled coach axleguards 4mm scale
This kit makes a set of axleguards which suit all our six wheeled 4mm coach products. The axleguards permit our models to negotiate sharp curves without extensive modifications to the kits. Although the images show a vehicle negotiating a Hornby type 2 radius curve (approximatley 1.5 feet or approximatley 438 mm), it is recommended that the minimum radius curve  is around 2 feet (600 mm approximately) The kit consists of 3d printed parts (random colour) and card overlays. The plastic parts are made ..
£5.00
Wagon Axleguards (pack of 4)
This is a pack of four kits.  Each kit will make a set of two axleguards which is sufficient for one four wheeled wagon. Each kit consists of 3d printed parts (random colour) as illustrated. The plastic parts are made from PLA which is environmentally friendly. The parts are readily assembled. Wheels are not included. The axleguards can also be used for other projects. ..
£12.00
4mm scale chassis and underframes for our kits
Six wheeled Stock D3D supplies a 3d printed set of axleguards which are designed for our 6 wheel coach kits D3D-05 4mm scale 6 Wheeled Coach axleguard kit This kit makes a set of axleguards which suit all our six wheeled 4mm coach products. The axleguards permit our models to negotiate sharp curves without extensive modifications to the kits. Although the images show a vehicle negotiating a Hornby type 2 radius curve (approximatley 1.5 feet or approximatley 438 mm), it is recommended that the minimum ..
Alternate Payment Method
Alternate payment Methods. We offer a direct payment method as an alternate to cheques or for ad-hoc payments: https://paypal.me/diagram3d?locale.x=en_GB   Note:To use this payment method, you need to have, or register for, a PayPal account.   This method allows variable amounts to be sent directly to us as an alternate to sending cash or a cheque in the post. The link takes one to the screen below: C..
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Requesting a new model
We often receive requests for new model designs.  These requests are always examined and prioritised. The criteria applied are that the model must be well documented and of reasonable appeal because the research and development effort can be prohibitive for a single model. Our focus is on older (pre-grouping) vehicles.  The research effort can be quite considerable.  However, do not be afraid to ask us about any project as that is useful feedback for the future and it may already ..