3D Modeling Bootcamp

Join digital artist Kevin Liao as we create an apartment building model in Blender.

Enroll in this course today – on sale for 90% off

By the end of this bootcamp you will have a 3D model you can put into any project, whether that be your next game, city design, or 3D printing.

A comprehensive step-by-step guide to making your first apartment building using innovative 3D modeling techniques. No prior knowledge required!

As we build our project, you will learn the ins and outs of Blender, the world’s leading 3D modeling creation software. You will learn how to make the creation process as easy and efficient as possible. Kevin will give you software secrets that will give you insight and tips into using the powerful Blender interface.

We will make small blocks that we will put together to make buildings. You will learn our technique that will enable you to make structures of any kind with more ease. With our small blocks you’ll be able to put together various combinations to make architecture of infinite types.

Join now in this NEW Mammoth Interactive bootcamp course

Get to know 3D modeling instructor Kevin Liao

Do you want to learn 3D modelling? Mammoth Interactive instructor Kevin Liao has you covered.

Get to know 3D modeler Kevin Liao

Q: Why did you enter your field?

A: I enjoy creating things from nothing, having a virtual medium feels more enjoyable and efficient for me personally.

Q: What have you been working on recently at Mammoth Interactive?

A: Designing and creating simple modular building blocks, simple and elegant parts for build-it-yourself buildings.

Q: What’s your favorite thing you made or implemented recently?

A: I don’t really have favorites, but I’d say the objects that were implemented into games would be my favorite creations.

Q: If you could share one thing with someone who is considering following your career path, what would that one thing be?

A: Work hard, create things, try not to follow mainstream designs.

Q: Share something funny or lighthearted from the past 2 months, related to your work.

A: A healthy diet keeps you working efficiently at work. I eat a nutrition bar, my coworker brings in whole bags of fresh produce. I always crack when I look at my pitiful nutrition bar and back at his pile of food.

Q: What’s a challenge you’ve come across?

A: A challenge I’d say would be having the patience to work through the lag fest of the Unity Asset Store recently. For some reason, the asset store has been really lagging hard lately.

Q: Why do you like working at Mammoth?

A: Mammoth gives us the freedom to choose and work on things that we wish to work on.

Q: What’s a production pitfall you’ve had to overcome recently?

A: Everything has been fairly smooth lately, nothing really classified as a pitfall.

Q: What separates successful students in your field from the rest?

A: Work hard, the grades don’t matter.

Good news! Kevin’s courses are 90% off today

Enroll now in our new courses while they are on sale. Get excited to learn 3D modeling right now! In these courses anyone can do it.

6 new courses open on Blender 3D modeling

Get in now! This month we released 6 brand-new courses with our digital artist and sculptor Kevin Liao.

Guide to quickly creating Blender art: High poly jet plane!

Create a professional 3D model for video games and more! No prior knowledge required. Learn to use Blender and Photoshop

Anyone Can Make High Poly Art: Build 3D Pipes in Blender!

Create top quality art assets & models for games & more. Learn Blender in 1 hour: Make high poly environment pipes!

3D House Design in Blender: Make Low Poly Art for Unity!

Maximize efficiency: make your creation process as convenient as possible! Make modern houses. Import assets into Unity!

Make Low Poly Apartments in Blender with Micro Blocks!

Anyone can be a digital artist in our beginner-friendly course. Low poly 3D models for video games, city design, and more!

Learn Blender 3D! Make Low Poly Houses & Buildings

Epic Blender course! Make art assets & models for use in games & city design. Make a basic building​ with micro blocks

3D Modeling Bootcamp: Build Easy Low Poly Art in Blender

A comprehensive step-by-step guide to making your first apartment building using innovative 3D modeling techniques. No prior knowledge required!

Enroll now in our new courses while they are on sale. Get excited to learn 3D modeling right now! In these courses anyone can do it.

Blender’s Mirror Modifier + Cutting an Object

Let’s learn how to use a basic modifier that we is often used when making 3D low poly art in Blender.

To follow along hands-on, create a new project in Blender containing a Cube. Expand the Properties window (covered here) by clicking and dragging its left edge. Select the wrench icon to open the Object Modifiers context.   

The Mirror Modifier can help you save time when creating art. You can make half of an art piece and use the Mirror modifier to generate the second half.

Dividing an Object in Half in Blender

Let’s split Cube in half. Enter Edit Mode (covered here). Hit Control+R. Double-click on the edge loop to divide Cube.

Enter Face Mode. Delete the right side of faces. Half a cube will remain in the Viewport.

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Blender’s Mirror Modifier

Enter Object Mode. In the Properties window, press Add Modifier. Select “Mirror” from the “Generate” list.

Unselect X from the “Axis” list that appears in the Properties window. Select Y. This will mirror the cube in the scene in the Y axis. Any modifications you make to the original side of the cube will mirror on the other side.

Enter Edit Mode. Extrude the outer face of Cube. Scale the face down. Extrude it outwards. As evident, the other side of Cube will also scale.

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The edge loop between the cube and its mirror is a separation. To fix this, select “Clipping” from the “Options” list in Properties. To apply the mirror, enter Object Mode. Press Apply in Properties. The cube and its mirror will be one combined object.

Enter Edit Mode. If you edit one side of Cube, the other side will not change!

If you want to learn more about Blender and making digital art, join our course Make Low Poly 3D Environment Models in Blender and Unity®.

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Blender’s Frequently Used Tools

Extrude in Blender

One frequently used tool of Blender is the Extrusion tool. Extrusion duplicates vertices while keeping the new geometry connected to the original vertices. An outward extrusion outsets existing geometry. An inward extrusion insets existing geometry.

Let’s look at a hands-on example. To follow along, create a new Blender project.

Select the top face of the Cube on the screen. Hit E, and pull up the face on an axis. To choose an axis, you can hit X, Y, or Z.

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Edge Loops in Blender

To cut the cube in half, you can create an edge loop running through Cube’s center. Hit Control+R. If you hover your mouse over Cube, a pink square will appear in the middle of Cube. Click once to set the axis.

You can still slide around the edge loop because we have not yet set the position of the edge loop. Choose a position, and click again.

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To cut Cube evenly in half by default, hit Control+R, and double-click on Cube. You can make more than one edge loop at a time to split Cube into even pieces.

Hit Control+R. Hover above the pink square where you want your edge loop to be. Scroll up to increase the number of edge loops.

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To remove the edges, hit X. A drop-down menu will appear, giving you multiple options for removing the edges. If you choose “Edges”, the edges and the faces they are touching will disappear.

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Instead, choose “Dissolve Edges”. The edge loops will dissolve.

Select a vertex of Cube. Hit X, and choose “Dissolve Vertices”. The vertex and its connected edges will dissolve. If you select Delete Vertex, the vertex and its connected faces will disappear.

Fill in a Deleted Face

Let’s look at how to fill in a deleted face. Delete one face of Cube.

Enter Edge Mode. Hit Alt, and select one of the edges of the empty face. If you hold Alt, all 4 faces surrounding the edge will become selected. Hit F to fill in the face.

Enter Edit Mode. To select the entire cube, double-hit A. To duplicate Cube, hit Shift+D. Hit Y, and drag your mouse to move the duplicate on the Y axis.

Cube is duplicated, but its duplicate is still part of the Cube object because we duplicated it in Edit Mode.

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If you double-hit A, both cubes will be selected. Instead, enter Face Mode, and hit L. Then you can click on your desired faces to select them.

Delete Cube’s Duplicate. Enter Object Mode. Duplicate Cube again. Now the duplicate will be its own object rather than part of Cube. To combine the cubes, select both and hit Control+J.

To separate the cubes, hit Tab to enter Edit Mode. Hit P. A drop-down menu will appear, giving you options for separating the cubes.

If you select one cube, you can choose Separate > Selection. Otherwise, you can choose Separate > By loose parts.

Blender’s Snap Mode

The Snap tool allows you to align objects. Hit Shift+Tab to enable Snap Mode. Alternatively, click on the magnet icon below the Viewport. When you move Cube, it will snap according to the grid in the Viewport.

To move Cube within the grid spaces, hold Shift as you move Cube. Hit Shift+Tab to disable Snap Mode.

Enter Edit Mode. Another tool option you can use is to resize more than one vertex at a time. Hit Control+Tab. Enter Vertex Mode. Select a vertex of Cube.

Turn on proportional editing mode by hitting O. You can move your mouse to increase the vertex. If you scroll up with your mouse, the vertex and its surrounding areas will resize.

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Want to learn more? Check out our Create 6 low poly rock models in Blender for 3D environments course!

Mammoth Interactive Course