Same here. Had to stop using my authentic one, as the top cap is next to impossible to line up/remove. It’s just too tight... manufacturing issue for sure.
I know of Zero manufacturing or design issues with the Atmizoo Tripod. I cannot speak for the clones.
I own 2 authentic Tripod's and have had Zero issues. Both were purchased direct. My first is from batch I, which was the initial Tripod release (June 2019). I've had no issues with removing, or rotating, the top cap.
Atmizoo announced batch II of the Tripod on 31 July 2019. "Batch II will be released coming mid-week, starting on Tuesday Aug 6th for our Facebook group members and VIP customers exclusively and then publicly from Wednesday Aug 7th 2019 and on."
Here are a portion of the release notes for batch II:
Batch II
does not have significant changes from batch I, mostly to ensure smooth collaboration with replacement parts in the future. Small details to be noted:
- The
Top Cap is made only a tad bit stiffer in rotation, to avoid accidental easy twist when device is in a bag / pocket.
Difference in feel is minor.
I also own a batch II Tripod and again have had Zero issues with removing, or rotating, the top cap.
Batch IV Tripod's were released 25 Nov 2019
Batch V were released 21 July 2020
There have been no design changes since batch II.
After some fiddling, I think the issue is with the combination of rubber washer that’s at the top of the cap, combined with the custom drip tip. Images attached. Removing the custoM three-piece drip tip makes the cap much easier to take off.
The washer you refer to inside the Top Cap is there to prevent juice from seeping out of the tank section (tight seal). That washer automatically gets lubed up from the juice inside the tank. If anything it makes top cap rotation easier. See below...
For the top cap to rotate freely VG should be applied to the o-ring as noted above.
2 piece drip tip: The bottom piece of the 2 piece drip tip, which sits inside the top cap, has never been tight fitting inside the tank section. It was not designed by Atmizoo to be. With that in mind it has zero effect on how tight fitting the top cap is. The o-ring on the tank section, where the top cap fits, will make rotating the top cap difficult IF not properly lubed up.
Your issue with the top cap is very likely from
not lubricating that o-ring.
The DT can be removed if one desires to use a standard 510 drip tip. The o-rings on a regular 510 DT provide a tight fit in the tank section (not the top cap).
Mega-McGyver solution to keep the original drip tip. Not for the faint hearted. Use a dremel tool and an exacto blade as a “lathe” to remove material from the ledge of the drip tip sleeve. Be very careful, easy to remove too much or hurt yourself. However, works great.
Completely unnecessary! The lower DT piece does not interfere with removal, or rotation, of the top cap. In fact it rotates freely inside the tank section when rotating top cap. Remove it and place it inside the 510 of tank section and you will see for yourself.
The lip you used a dremel tool on is supposed to be there. Proper installation has it fitting under the washer when screwed to the DT top piece. See diagram (from page 1) and above photo.

You should have received a very thorough Tripod manual with yours. That parts diagram is on page 3.
If I were you I would
contact Taz at Atmizoo to discuss any issues you have. Having spoken with him on multiple occasions he is a super nice guy. I
know he would want to hear from you
directly.
I am a member of the Atmizoo private FB group. There are hundreds of Tripod owners who participate in the group. Every single issue that has been brought up has been traced to user error and/or a user requiring some education.
Prior to release the Tripod was tested extensively by many folks.
Atmizoo did a fantastic job designing and manufacturing an excellent RTA. BTW I own other Atmizoo products. They've been around a long time and have a great reputation within the industry. Their products are high-end and top notch.
Good luck
