fig1 shows an isometric view 200 of an embodiment of the present invention . the embodiment is a unit having three parts , a top piece 210 and two identical and interchangeable leg pieces 212 , 214 . the top piece 210 includes four slots , two 216 a , b on the left side and two 218 a , b on the right side , into which the leg pieces 212 , 214 respectively engage . each of the four slots 216 a , 216 b , 218 a , 218 b forms the mortise part of a mortise and tenon joint . the top piece 210 also includes a left groove 220 and a right groove 222 . the left groove 220 is adjacent and towards the inside of the left side slots 216 a , 216 b . this groove 220 has a track that includes a left - to - right turn 220 a . the right groove 222 is adjacent and towards the inside of the right side slots 218 a , 218 b . this groove 222 has a track that includes a right - to - left turn 222 a . in this description , the front of the unit is the side towards which the left groove 220 and right groove 222 tend to converge after their turns 220 a 222 a . the design of the grooves 220 222 is such as to act as a barrier that helps assure that juices on the top piece flow towards the front of the unit . that is , juices flowing generally towards the left or right side of the unit are captured by the grooves to flow towards the front of the unit and juices flowing between the grooves flow towards the front of the unit . each of the leg pieces 212 , 214 is formed from a single piece of material , which may or may not be the same material used for the top piece , and has a pair of tenons ( shown in fig4 ) for fitting into the mortises 216 a , 216 b , 218 a , 218 b on the top piece 210 . the tenons are such that only one physical arrangement of the leg pieces 212 , 214 will permit the mortise and tenon joint to be formed . in one embodiment , the permissible arrangement is such that the portion of the leg with a hole 218 c therein is located distally from the turns 220 a , 222 a of the grooves 220 , 222 on the top piece 210 . in one embodiment , the leg pieces are formed from the same material as the top piece . in another embodiment , the leg pieces are made from a different material as the top piece . the different material may be a composite material . in one embodiment , an anti - slip material is added to the bottom of the leg pieces to prevent the legs from sliding . the anti - slip material may comprise rubber mounts affixed to the bottom of the legs . fig2 includes a top view 300 , a front view 310 , a left view 320 and right view 330 of the leg pieces , and a bottom view 340 of an embodiment of the present invention . fig2 shows the dimensions a and b in the top view 300 and the angle of the turn of the grooves . in one embodiment , dimension a is 17 . 5 inches and dimension b is 12 . 00 inches . in this embodiment , the distance ab between the parallel portions of the grooves is 14 . 00 inches and the angle c of turn of the grooves is 28 . 09 degrees . in another embodiment , dimension a is 23 . 375 inches and dimension b is 12 . 00 inches . the larger a dimension permits the user of large collection devices , such as plates or pans , to be placed under the top piece and between the leg pieces . fig2 shows the dimensions of the leg pieces 212 214 . in one embodiment , the height d of portion of the leg piece that is proximal to the turn of the grooves is 3 . 52 inches and the height e of the portion of the leg piece that is distal to the turn of the grooves is 4 . 718 inches . this difference in heights between the proximal and distal portions of the leg pieces 212 214 causes the top piece 210 , when connected to the leg pieces 212 , 214 and placed on a horizontal surface , to have a pitch or tilt of between 4 to 6 degrees , and preferably 5 . 73 degrees ( dimension g ) to the surface . this pitch permits any liquids on the surface captured by the grooves to run towards the turn of the grooves and off the front of the unit into the collection device . importantly , the pitch or tilt angle g is carefully set so that the liquids running in the grooves 220 , 222 at the front of the unit do not wick along the underside of the top surface , while making it highly unlikely that any foodstuffs on the surface of the top piece 210 will roll or slide off . fig2 also shows dimensions f for the thickness of the material used for the top and leg pieces . in one embodiment , the thickness f is 0 . 375 inches . in other embodiments , the thickness is 0 . 500 inches . in the other embodiment , dimension cc of the tenons is 0 . 498 inches and dimension l is 0 . 500 inches , with a corresponding thickness of 0 . 500 inches for the tenons . fig3 shows a detail of the top view 400 of an embodiment of the present invention . the top view 400 in fig3 includes dimensions j , k , l , m , n , p , and q for the mortises 216 a , 216 b , 218 a , 218 b . in one embodiment , dimensions j and k are 1 . 875 and 2 . 375 inches , respectively . the difference between these two dimensions allows only one way to connect a leg piece to the top piece , as the larger tenon of a leg piece 212 , 214 will not fit in the smaller mortise . in the embodiment shown , dimension l is 0 . 370 inches . in the embodiment shown , dimension m is 1 . 00 inches . in the embodiment shown , dimensions n and p are 0 . 494 and 0 . 653 inches , respectively . the difference between these two dimensions requires that a leg piece must be slightly flexed ( bowed ) to align the tenons with their respective mortises . the flexed leg piece 212 , 214 causes a compression between one side of a tenon and its respective mortise , thereby assuring a snug fit and preventing the leg pieces from falling out of the top piece . the flexed leg piece 212 , 214 also means that no latching system is needed to hold the leg piece in place , while at the same time making the leg piece easy to disengage from the top piece . it should be noted that after a long time , a flexed leg piece 212 , 214 might not provide a sufficient amount of compression to maintain a snug fit . if this occurs , the leg pieces can be swapped left for right , as the pieces are interchangeable . this will cause the flex of the leg piece to occur in the opposite direction , thereby maintaining a snug fit . the top view in fig3 further includes dimensions r and t for the grooves 220 222 . in one embodiment , dimension r is a radius of 0 . 217 inches and dimension t is 28 degrees . the depth of the groove is preferably 0 . 095 inches . the top view in fig3 further includes dimensions h , i , and s for the outside dimensions of the top piece . in one embodiment , dimension h is 17 . 50 inches and dimension i is 12 . 00 inches . in one embodiment , dimension s is a radius of 0 . 500 inches . fig4 shows a detail 500 of the legs 212 , 214 in accordance with an embodiment of the present invention . fig4 includes dimensions u , v , w , and cc for the tenons 212 b , 214 b , 212 c , 214 c . in one embodiment , dimensions u and w are 1 . 61 and 2 . 11 inches , respectively . as mentioned above , this difference in the size of the tenons 212 b , 214 b vs . 212 c , 214 c prevents the incorrect engagement of the legs 212 , 214 to the top piece , while still permitting the swapping of the left and right leg pieces . in the embodiment shown , dimension v is 5 . 90 inches . in the embodiment shown , dimension cc is 0 . 37 inches , which is sufficiently deep to permit the engagement of the tenon 212 b , 214 b , 212 c , 214 c with the mortise 216 b , 216 a , 218 b , 218 a without protruding above the top surface of the top piece 210 , when the top piece 210 has a thickness of 0 . 375 inches . in another embodiment , the top piece has a thickness of 0 . 500 inches . fig4 further includes dimensions z and aa for the height and angle of the leg piece 212 214 . in one embodiment , dimension z is 2 . 65 inches and dimension aa is 5 . 7 degrees . these dimensions ensure that the angle of 4 to 6 degrees and preferably of 5 . 7 degrees with a horizontal surface is met . fig4 further includes dimensions x , y for the length and width of portions of the leg piece 212 214 . in one embodiment , dimension x is 4 . 25 inches and y is 1 . 49 inches . these dimensions insure that a leg piece 212 214 has sufficient material throughout its length to create a solid structure , but still permit the flexure needed to maintain the mortise 218 b , 218 a , 216 b , 216 a and tenon joints 212 b , 214 b , 212 c , 214 c under compression . fig4 further includes dimension bb for the hole 212 a , 214 a in the leg piece 212 , 214 . in one embodiment , dimension bb is 1 . 13 inches for the width of a slot sufficient for the insertion of a finger to help engage or disengage a leg piece 212 214 from the top piece 210 . in all figures , the edges of all pieces are preferably chamfered to remove any sharp edges . in one embodiment , the length of the chamfer is preferably 0 . 06 inches and the chamfer is preferably at a 45 - degree angle . in the embodiment , the chamfer on the tenons aids the engagement of the tenons 212 b , 214 b , 212 c 214 c with the mortises 218 b , 218 a , 216 b , 218 a , by acting as a ramp to guide the tenon into the mortise . in all figures , the tolerance on linear dimensions is +− 0 . 015 to 0 . 030 . although the present invention has been described in considerable detail with reference to certain preferred versions thereof , other versions are possible . therefore , the spirit and scope of the appended claims should not be limited to the description of the preferred versions contained herein .
a culinary cutting board is disclosed . the cutting board improves sanitation and reduces physical space needed in food preparation . the non - porous cutting board includes a top piece and two identical and interchangeable leg pieces , which when attached to the top piece , elevate and tilt the cutting board . the tilt is such that grooves in the top piece facilitate the easy removal of juices into a collection device that fits under the elevated top piece and between the leg pieces , thereby saving physical space . the leg pieces can be disengaged from the top piece and all of the pieces can be cleaned in a high temperature washing system . the combination of elevation , tilt , and disengageable leg pieces makes for a cutting board with improved sanitation .