ebonite barrel cap and grip section for bock nib units designed!

[dovidu]

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https://img1.daumcdn.net/thumb/R1280x0/?scode=mtistory2&fname=https%3A%2F%2Fblog.kakaocdn.net%2Fdn%2FetmNU p%2FbtseCEDuttL%2FyEeEE3lrSbqgyIu8wKWkZ0%2Fimg.png https://img1.daumcdn.net/thumb/R1280x0/?scode=mtistory2&fname=https%3A%2F%2Fblog.kakaocdn.net%2Fdn%2Fbb2KA w%2FbtseGcfzOVi%2F1FA8qI2ZM9uvuq45oYnWD0%2Fimg.png https://img1.daumcdn.net/thumb/R1280x0/?scode=mtistory2&fname=https%3A%2F%2Fblog.kakaocdn.net%2Fdn%2F08P74 %2FbtseK23jyby%2FKPm8kJcgYruzZpbJ8qOXpk%2Fimg.png
https://img1.daumcdn.net/thumb/R1280x0/?scode=mtistory2&fname=https%3A%2F%2Fblog.kakaocdn.net%2Fdn%2Fc0pTh 7%2FbtseF85DAk7%2FjX8kyzphekNkEGEitSmPkk%2Fimg.png https://img1.daumcdn.net/thumb/R1280x0/?scode=mtistory2&fname=https%3A%2F%2Fblog.kakaocdn.net%2Fdn%2F6KHsk %2FbtseF8dvKna%2FZWoRUuIo1j1hgICHGnGXik%2Fimg.png

the pen has been designed by made by me,
i call it "standard model"
it is a standardized form of my preferred design.
the machining of ebonite is perfect.