3D Boom Box Cake

$500 - $550

Learn how to make a 3D Boom Box Cake.

In this tutorial you will learn how to make a 3D Boom Box Cake. Serdar will walk you through the process and show you how to combine edible sugar transfers with sugar objects to create a realistic look.

What you’ll learn…

  • Using edible sugar transfers combined with sugar elements.
  • Producing a cake following a predefined geometrical shape.
  • Manipulating a heavy cake without lifting it.
  • General principles of making a 1970’s radio design.
  • Adding internal construction after the cake is on the board.

Downloadable Course Material

If you would like to approximately match the size of the artwork in the tutorial, print the downloadable files at 100% size. If you require your artwork to be smaller or larger, just adjust the print size accordingly.
3D Boom Box Cake Course Material
This PDF document contains templates and guides to help you with this tutorial.

Introduction - Tools - Materials
Listing Required Pastillage
Making Pastillage Items
Making the Grill Frame
Making the Handles
Making the Grill
Making the Antenna
Spraying the Items Silver
Coating the Cake with Chocolate
Coating with Fondant
Cutting the Edible Images
Adding the Front Stickers
Adding the Front Pastillage
Placing on the Cake Board
Adding the Back Panel
Final Thoughts
Total Duration

While not everything on this list is absolutely required, these are the things used in this tutorial video. Of course you are welcome to find alternative ways of doing things and we would love to hear if you've discovered an easier method or better tool to achieve good results. Please note that some items may be listed as sets, and it is usually recommended to have full sets, it may not be neccessary. In most cases, only one item from a set is actually used in the tutorial. Please watch the tutorial before purchasing any items to make sure you are not buying anything you don't need.
Tools & Materials
Cutting & Slicing
  • Set of knives
  • Craft knife
  • Pizza cutter
  • Box cutter
  • Set of scissors
Rolling & Coating
  • Set of PVC pipes (30mm to 40mm thick, 40cm & 20cm long)
  • Rolling pin (30cm long)
  • Powder shaker (Filled with starch)
  • Needle or pin (to pop air bubbles)
  • Perfections strips
  • Fondant smoother
Planning & Templates
  • Flipchart sheets (70cm x 50cm)
  • Semi transparent silicon baking sheets (70cm x 50cm)
  • White cellophane sheets (70cm x 50cm, on side matt)
  • Basic stationary (pencils, marker pens, ruler etc.)
  • Semi transparent plastic file separators
  • Plastic sleeves
Masking & Layering
  • Set of icing spatulas
  • Set of scrapers (hard and flexible)
Marker roller
For speakers and background
8mm drill bit
8mm thick by 20cm long
Cellophane Shop Online
Craft wire
2 x 2mm thick by 20cm long
Fish filleting knife
Oil Cooking Spray Shop Online
Colour should be as light as possible to prevent discolouration in the fondant or pastillage.
Water Spray Bottle
Craft Knife Shop Online
Cake Board Watch Tutorial
9mm thick by 50cm by 30cm covered with Black velvet and Cellophane sheet
A piece of wood coated with fabric and temporarily covered with cellophane to keep fabric clean until the cake is complete. For more information, watch our tutorial on how to cover a cake board with fabric .
Round Cutter Set Shop Online
Recipes & Ingredients
Set of edible images

Front and Back of selected Boom Box

Rolled Fondant

2kg silver grey

A commonly used sugar paste for coating cakes. Also known as RTR (ready to roll) fondant.


A thick sugar paste, similar to gum paste, that can be molded into different shapes and forms. When dried, it is hard and brittle. Unlike gum paste, pastillage dries much quicker and stronger. Made with gelatine, water...[read more]


A moist and rich chocolate mud cake aerated with baking powder and soda bicarbonate. A very dark and dense mud cake which contains a lot of chocolate and cocoa powder with a touch of coffee powder. Years ago wedding cakes...[read more]


Chocolate ganache is nothing but pure chocolate melted with a generous amount of boiling fresh cream. This smooth airless chocolate cream makes a lot of things possible. A benefit of chocolate ganache is that the high...[read more]

Dark Chocolate (Compound) Wikipedia


Compound chocolate is a product made from a combination of cocoa, vegetable fat, and sweeteners. It is used as a lower-cost alternative to true chocolate, as it uses less-expensive hard vegetable fats such as coconut oil or palm kernel oil in place of the more expensive cocoa butter. It may also be known as 'compound coating' or 'chocolatey coating' when used as a coating for candy.

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Member's Projects

Here's what some of our members have created after watching this tutorial.