Base 3D model of the space marine

Base 3D model of the space marine

The 3D model of the space marine I’m going to show now is shared by all the 3D printed miniature of the space marines. The objective is to make a 3D model well made and easy to pose. I’ll add the specific equipment at every space marine depending of his role.

How I made the 3D model of the space marine

The 3D model of the space marine is quite elaborate and I think It’s a nonsense to describe every single detail, while images are more explanatory.

Let’s start with the simplest parts: legs and feet.

3D model of the legs of the space maine, the normal version and the divided in piece version

In details, to make the recess I used the boolean modifier subtracting spheres (upper parts) and a cylinder (for the foot). The junctions are a series of 2 cylinders with different radius.

I made the arms in the same way, with a series of cylinders. As you can see in the image below, I just sketched the hands since it’s very small and the 3D print could not have reproduced all the details.

3d model of the amrs of the space marine, the normal version and the divided in pieces version

The shoulder straps can seem easy to make, but they required some try, until I made this:

3d model of the shoulder strap of the space marine

I started from a quarter of a sphere at which I deleted the pole, created the missing faces and then extruded the edge. The image below shows cleary all the steps.

steps of the 3D modelling of the shoulder strap of the space marine

Now it’s time to the pieces more elaborated of this 3D model of the space marine. First of all the torso.

3D model of the torso of the space marine, front and rear view

And the version divided in its pieces.

3D model of the torso of the space marine divided in pieces

The pelvis is an anomalous piece: since I started to 3D model from this piece, I tried adding all details possible. While working I realized that there was too much details that my 3D printer can’t reproduce. So the pelvis havs more details compared to the rest, but it have no use in the 3D printing phase.

Lastly the head. The 3D model is made from an external hollow piece and one internal piece as filling. I made the first piece with the boolean modifier in subtraction mode.

3D model of the head of the space marine, the normal version and the divided in pieces version

I didn’t make the eyes since they are too small and hide in the helmet, hard to 3D print and distinguish from the rest.

Since this is the 3D model of a space marine, could not miss the backpack, characteristic of their suits.

3D model of the backpack of the space marine

3d model of the backpack of the space marine divided in pieces

I made the backpack just with cubes and cylinders. I made the recess with the boolean modifier and added some spheres as details.

Now, I want to digress a little: you are making a miniature, you want to add details, but don’t know how to do it? Just add some small spheres or cubes “randomly”. I can assure you that even if it’s an easy trick, the result on a 3D printed miniature are exeptional, and it’s get better with a good painting.

The 3D model of the bolter

A space marine can’t be unarmed, so I also made the 3D model of the weapon provided to every soldier: the bolter (or boltgun).

3d model of the boltgun of the space marine

To make the handrail and the recess I used the modifer boolean, while the handle is a cylinder. I didn’t work more on the handle because it’s always covered with the hand, and it’s nonsense losing time working on it.

The finished 3D model of the space marine

Here how it is the finished 3D model of the space marine.

3d model of the space marine, front and rear view

I didn’t make the T pose due to the shoulder straps, and because it’s easier to myself to have the arms in that position, ready to be posed.

To further help myself posing him I divided the pieces in groups: the arms, the shoulder straps, the legs, the torso with the backpack and the head.
In this way I can quickly select the piece I need, without risk of modify or delete other pieces.


This is the article about how I made the 3D model of the space marine, the base for all the miniatures of the space marines I’ll 3D print in the future.

What do you think? Let me know with a comment!
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