Examples of customized monoFab SRM-20
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Data for customizing a monoFab SRM-20

This is the data used to customize a "SRM-20" milling machine that was exhibited at the international DIY festival, "Maker Faire Tokyo 2014", which was held at Tokyo Big Sight on 23rd and 24th of November, 2014.

Artisans customize tools they use depending on their goals and then master those customizations. While there are demands for customized machining tools, it is by law that manufacturers are held liable for their products, thus they have no choice but to prohibit Makers from making changes to their products. As a way to overcome this dilemma and to establish a better relationship between the manufacturers and Makers, the manufacturers could provide APIs to their products, allowing Makers to freely customize the products.

The SRM-20 is one of the "monoFab" series products, a machining tool, launched by Roland DG Corporation in September 2014. It is equipped with a slot that can mount a board for the open source hardware "Arduino", and, using the manufacturer's provided library, its functions can be easily expanded.

Utilizing these characteristics, we conducted the following two customizations.

  • Created storages for SRM-20 tools on both sides of the machine
  • Sending notifications to a smartphone via iBeacon when the front cover opened/closed

Provided that certain conditions applied for SRM-20 customization understood by all users, we are hoping that this machining tool available with APIs to become widespread, we are sharing the data for customizing SRM-20 through the link below. Creative Commons Attribution-ShareAlike 4.0 International license, as well as public domain (for details, please refer to Credits & Licenses).

The data for all of this is being published with the goal of accumulating and sharing know-how related to the customization of the SRM-20 by Makers. Should there be some sort of damage for the user or third party from the use of this data, the creator of this data will not be held responsible for any damages that occur. This shall also apply in the event that there is an error in the posted content. Furthermore, this is not an active endorsement by Roland DG Corporation for the remodeling of their products.

Credits & Licenses

monoFab SRM-20のカスタマイズ用データ

これは2014年11月22日と23日に東京ビッグサイトで開催されたDIYの世界的な祭典「Maker Faire Tokyo 2014」で展示したデジタル工作機「SRM-20」のカスタマイズで使用したデータです。


SRM-20はローランド ディー. ジー.株式会社が2014年9月に発表した「monoFabシリーズ」の1つで、オープンソースハードウェア「Arduino」のボードを搭載できるスロットを内蔵し、メーカー自身が提供するライブラリを使って簡単に機能を拡張できるようになっています。


  • 外装の一部を交換してSRM-20に関連した工具などを収納できるようにする
  • iBeaconでフロントカバーの開閉をスマートフォンに通知する

APIを提供する工作機械が適切な理解の元で普及していくことを期待し、クリエイティブ・コモンズ・ライセンス【表示-継承 4.0 国際】またはパブリックドメインで提供します(詳細についてはクレジットとライセンスを参照してください)。

これらのデータは、MakerによるSRM-20のカスタマイズに関するノウハウを蓄積および共有することを目的として公開するものです。制作者はこのデータの利用によって利用者または第三者等に何らかの損害が発生したとしても、かかる損害については一切の責任を負うものではありません。掲載内容に誤りがあった場合も同様です。また、ローランド ディー. ジー.株式会社が製品の改造を積極的に推奨するものではありません。