An object of the present invention is to provide a display nail tip suitable for being arranged, as samples of nail tips for nail art to be provided to customers, in a hard case, frames, boards, pedestals or the like and being presented to the customers or displayed in shops. Another object of the present invention is to provide a nail tip for the display nail tip described above and a nail tip positioning assistance tool. A display nail tip of the present invention includes a nail body (1) and a nail tip positioning assistance tool (14a, 14b) for assisting arrangement of the nail body on a nail tip display tool. The nail tip positioning assistance tool is integral-molded with any one of a thickness portion (3) of the nail body, a thick peripheral edge (1h) of the nail body, a concavely curved surface (1b) of the nail body, a base portion (4) arranged on the concavely curved surface (1b) of the nail body and a convexly curved surface (1a) of the nail body.

An object of the present invention is to provide a display nail tip suitable for being arranged, as samples of nail tips for nail art to be provided to customers, in a hard case, frames, boards, pedestals or the like and being presented to the customers or displayed in shops. Another object of the present invention is to provide a nail tip for the display nail tip described above and a nail tip positioning assistance tool. A display nail tip of the present invention includes a nail body (1) and a nail tip positioning assistance tool (14a, 14b) for assisting arrangement of the nail body on a nail tip display tool. The nail tip positioning assistance tool is integral-molded with any one of a thickness portion (3) of the nail body, a thick peripheral edge (1h) of the nail body, a concavely curved surface (1b) of the nail body, a base portion (4) arranged on the concavely curved surface (1b) of the nail body and a convexly curved surface (1a) of the nail body.

Provided are a nail measuring device, system, and method for customized nail products. The device comprises a nail gauge attached to a nail of a user to measure a three-dimensional (3D) shape data figure including a width and curvature value of the nail through photography. The device may take the form of measuring stickers which are attached to fingernails. An image is taken of fingernail having the sticker and the image is processed by the system to determine a size and shape of the nail.

Provided are a nail measuring device, system, and method for customized nail products. The device comprises a nail gauge attached to a nail of a user to measure a three-dimensional (3D) shape data figure including a width and curvature value of the nail through photography. The device may take the form of measuring stickers which are attached to fingernails. An image is taken of fingernail having the sticker and the image is processed by the system to determine a size and shape of the nail.

An assembly for mounting a prosthetic nail for a human or animal digit. The assembly includes at least one transdermal anchor with an interior portion and an exterior portion. The interior portion may be positioned within tissue of the digit, and the exterior portion may extend outside the tissue of the digit. In another aspect, an exterior base may be positioned on a nail bed of the digit, and the exterior base may be coupled to the exterior portion of the transdermal anchor. The base may include a mount for removably a prosthetic nail to the base.

A system and method for manufacturing custom fit artificial nails includes a 3D surface scanning module and a 3D printing module and use thereof. A central processing module is connected to the 3D surface scanning module and the 3D printing module and performs: operating the 3D surface scanning module to obtain an image of a user's hands/feet; processing the image to create an input 3D model of nails of the user; generating an output 3D model corresponding to artificial nails matching dimensions of the user's nails according to the 3D input model; operating the 3D printing module to manufacture artificial nails according to the output 3D model; and generating medical data by correlating the identified features of the user's nails with known medical conditions, in order to diagnose a medical condition of the user which is known to exhibit the identified features as a symptom. Alternatively, or additionally, medicinal ingredient may be included in the artificial nail to treat the medical condition of the user. Embedded devices, sensors or an RFID chip may be integrated into the artificial nail.

A system and method for manufacturing custom fit artificial nails includes a 3D surface scanning module and a 3D printing module and use thereof. A central processing module is connected to the 3D surface scanning module and the 3D printing module and performs: operating the 3D surface scanning module to obtain an image of a user's hands/feet; processing the image to create an input 3D model of nails of the user; generating an output 3D model corresponding to artificial nails matching dimensions of the user's nails according to the 3D input model; operating the 3D printing module to manufacture artificial nails according to the output 3D model; and generating medical data by correlating the identified features of the user's nails with known medical conditions, in order to diagnose a medical condition of the user which is known to exhibit the identified features as a symptom. Alternatively, or additionally, medicinal ingredient may be included in the artificial nail to treat the medical condition of the user. Embedded devices, sensors or an RFID chip may be integrated into the artificial nail.

An active energy ray curable composition contains an acrylamide compound A1 represented by the following Chemical formula 1 or the following Chemical formula 2; a multi-functional polymerizable compound B1 having an SI value of 3 or less in a skin sensitivity test; a polymerization initiator C1 having no maximum absorption peak in a wavelength range of from 365 to 405 nm; and a hydrogen donor D, ##STR00001##

An active energy ray curable composition contains an acrylamide compound A1 represented by the following Chemical formula 1 or the following Chemical formula 2; a multi-functional polymerizable compound B1 having an SI value of 3 or less in a skin sensitivity test; a polymerization initiator C1 having no maximum absorption peak in a wavelength range of from 365 to 405 nm; and a hydrogen donor D, ##STR00001##