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Published on July 15, 2021 by · This post may contain affiliate links ·

Roblox Floating Cube Cake

Skill level: Intermediate

My best friend's daughter is really into the video game Roblox and for her birthday I created this floating cube cake to surprise her. In this tutorial, you will learn how to create a gravity-defying cake cube made with no big support pieces, everything is edible!

You will also learn my tips and tricks for getting sharp edges on cube shapes, how to add this splashy galaxy effect to the cake board and how to create the game avatar portrait.

56:37 Minutes of Instruction

What You Will Learn

  • How to create a gravity-defying Cube made from edible ingredients
  • Learn how to create a beautiful galaxy design on the cake board
  • How to create the portrait of the game character avatar

Tutorial Chapters

  1. Making the square template 0:29
  2. Preparing the acrylics 2:45
  3. Frosting the cake 4:55
  4. Carving the cake 15:12
  5. Building the structure 17:08
  6. Frosting the base cake 20:05
  7. Making the chocolate base 22:40
  8. Decorating the cake board 29:18
  9. Stacking the triangles 31:46
  10. Stacking the cube 33:42
  11. Paneling the cube 40:46
  12. Adding edible images 42:41
  13. Making the avatar decoration 44:32
  14. Painting the cake 49:53

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About Liz Marek

Liz Marek is a professional cake artist, sweet and savory recipe developer, and the founder of Sugar Geek Show, where she teaches cooking, baking and cake decorating through detailed tutorials, food science explanations, and kitchen-tested recipes. She has been creating recipes and teaching baking techniques since 2008, helping bakers of all skill levels gain the confidence to make professional-quality desserts at home.

Liz is known for breaking down complex cooking and baking concepts into simple, approachable methods. Her work focuses on helping people understand not just how a recipe works, but why it works. Through Sugar Geek Show, she shares step-by-step recipes, cake decorating tutorials, and practical baking guides designed to make professional techniques accessible to everyone.

Over the years, Liz has taught thousands of students through online tutorials, classes, and educational content focused on real kitchen results. Her recipes are carefully tested and written to help people succeed the first time they make them.

When she’s not developing recipes or teaching baking techniques, Liz also hosts curated travel experiences for women through her travel brand Soul Sisters.

You can find Liz’s latest recipes, baking tutorials, and food science tips at Sugar Geek Show.