Bill of Materials: Check Out A Detailed Look At Format Types and New OpenBOM Flattened Mode Editing

Oleg Shilovitsky
Oleg Shilovitsky
7 May, 2021 | 2 min for reading
Bill of Materials: Check Out A Detailed Look At Format Types and New OpenBOM Flattened Mode Editing

Companies need a Bill of Materials in one way or another during the entire lifecycle from the early design to later manufacturing and maintenance. It’s just the way it is, if you are looking to run a well-oiled manufacturing machine then BOM’s are a requirement. 

Like most things though one size does not fit all and this goes for BOM’s as well. People engaging with Bill of Materials need a different way to present and format them, which is usually driven by their function and needs.

Format Types You Can Expect With OpenBOM

OpenBOM supports 3 different format types – Single Level, Multi-Level and Flattened. Keep in mind those are NOT three different BOMs, but one product structure, which can be presented in a different form and support different functions. 

  1. Single-Level is a simple flat list of components (assemblies and parts) for a specific BOM. 
  2. Multi-Level is a way for OpenBOM to present an entire structure down. 
  3. Flattened is a flat rollup report from the assembly selected down. 

Check this image for future clarification: 

Each of these BOM types are important for specific operations. Single-level is important because it is just simple and useful. You can define all parameters, sort, search, filter, etc. 

Multi-level is becoming really useful when it comes down to the browsing between levels. 

The importance of the “Flattened” type is hard to underestimate. It gives you an easy summary of everything you have top-down. And it is dynamic. Whatever updates you do will be reflected. 

In the last OpenBOM production update, we made a change to allow flattened BOM to be editable. You will only be able to update catalog properties since they are the same for all instances of each item. BOM quantities will be collected and the values rolled up. 

Check out This Video For  A More Detailed Look…

Conclusion

Editing of flattened BOM is a big step in the improvement of our user’s experience. It decreases the numbers they will move and provides them a really easy way to review and edit common attributes for Items (eg. Description, Cost, Material, etc.) 

Check out OpenBOM today – register for FREE to get the subscription and start a free 14-day trial.

Best, Oleg

Related Posts

Also on OpenBOM

4 6
14 August, 2026

Excel is a natural lifeblood of every organization. We have “love and hate” relationships with Excel at OpenBOM. While we...

13 August, 2026

Seamless integration with design tools was always the main goal of OpenBOM. As such we’re expanding our integration with PCB...

13 August, 2026

Some of the most valuable product improvements are not new capabilities. They are the removal of repetition. Adding items to...

12 August, 2026

The demand for API usage has been growing dramatically in the last year. There are two observations here – an...

12 August, 2026

BOM Review started with a simple premise: catch data problems before they travel downstream to purchasing, manufacturing, and release. The...

11 August, 2026

Welcome to the OpenBOM August 2026 update! The August 2026 update brings important improvements across BOM validation, Public API access,...

6 August, 2026

I had a conversation with Rob Ferrone earlier this week and we decided to publish it. Rob spent 25 years...

5 August, 2026

Every company that validates a bill of materials produces two things. The first is the corrected BOM. Missing quantities filled...

4 August, 2026

The most dangerous request in a PLM implementation is not “can we import our Excel files?” Of course you can....

To the top